TABLE 7  DEVELOPMENT OF PAVEMENTS FOR PAVED ROADS: 1957 - 1985

|==================================================================|
|         TRUNK ROAD 1/6: WINDHOEK-OKAHANDJA: LENGTH:68,21 km      |
| INCLUDES 1 LANE:FREEWAY: KHOMASH. I/C-BRAKWATER:LENGTH: 15,72 km |
| PAVED WIDTHS: 7,4; 7,8; 7,9; 8,0; 8,1 and 12,5 m                 |
| SHOULDER WIDTHS: 0,8; 0,9; 1,0; 1,1; 1,2; 1,3; 1,6 and 2,0 m     |
| SHOULDER TYPE: GRAVEL                                            |
| RIDING QUALITY:Low: 2,8; High:1,6; RUTTING: Min.:2 mm; Max.: 9mm |
| YEAR OPENED: SINGLE CARRIAGEWAY: BRAKWATER-OKAHANDJA: 1957/59    |
| Reseals: 1975; Premix overlay and widening to 8 m: 1978          |
| FREEWAY SECTION: 1977/1979: KATUTURA I/C-BRAKWATER               |
| 1981: KHOMASH. I/C (M.R.52)-KATUTURA I/C; No reseals to date     |
|=============|====|======|=====|=====|====|====|=====|====|=======|
| KM STATIONS | LAYER     | MATERIAL  |          TRAFFIC           |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
|             |TYPE|THICKN|CLASS|DESCR|AADT|%HEA|E80/L|#HEA|E80FACT|
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 15,78-18,88 |  8 | 75   | AG  |  -  |2500| 10 | 250 |250 | 2,00  |
|             |  9 |  -   | ST1 |  -  |    |    |     |    |       |
|             | 10 |  -   | SC1 |  -  |    |    |     |    |       |
|             | 20 |  -   | ND  |  -  |    |    |     |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 41,88-68,21 |  8 | 75   | AG  |  -  |1600| 12 | 300 |200 | 3,00  |
|             |  9 |  -   | SS  |  -  |    |    |     |    |       |
|             | 10 |  -   | SS  |  -  |    |    |     |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|   TRUNK ROAD 1/3: KEETMANSHOOP-MARIENTAL: LENGTH: 228,71 km      |
| PAVED WIDTHS: 6,0; 6,1; 6,2; 6,3; 6,4; 6,5; 6,7; 7,9 and 10,0 m  |
| SHOULDER W.:0,7; 1,0; 1,3; 1,4; 1,5; 1,6; 1,7; 2,0; 2,6 and 2,9 m|
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 4,0; High: 1,8; RUTTING:Min.:5mm; Max.: 30 mm           |
| YEAR OPENED: 1961 (Keetmanshoop-Wasser); 1963/64 (Mariental-Asab)|
| 1966/67 (Asab-Wasser); Reseals:Keetmanshoop-Wasser: 1975,1978    |
| and rebuilt: 45,20-47,00 (1978);Asab-Mariental: 1978, 1984/85 and|
| rebuilt: 197,52-228,71 (1982); Wasser-Asab: 1978, 1984/85        |
|=============|====|======|=====|=====|====|====|=====|====|=======|
| 0,00-2,47   | 10 |  -   | SC2 |  -  | 450| 18 | 190 | 85 | 4,47  |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
| 2,47-45,07  |  8 |  -   | SL1 |  -  | 400| 21 | 190 | 85 | 4,47  |
|             |  9 |  -   | ST1 |  -  |    |    |     |    |       |
|             | 10 |  -   | SCP |  -  |    |    |     |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 47,87-53,42 |  8 |  -   | SL1 |  -  | See: 2,47-45,07            |
|             |  9 |  -   | ST1 |  -  |                            |
|             | 10 |  -   | SCP |  -  |                            |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
|109,63-110,84|  9 |  -   | FS  |  -  | See: 2,47-45,07            |
|             | 10 |  -   | ST2 |  -  |                            |
|             | 50 |  -   | ND  |  -  |                            |
|==================================================================|
|   TRUNK ROAD 1/9: OTAVI-TSUMEB: LENGTH: 61,90 km                 |
| PAVED WIDTHS: 6,1; 6,2; 6,3, 6,5 and 6,7 m                       |
| SHOULDER WIDTHS: 1,0; 1,3; 1,4; 2,6 and 2,8 m                    |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 3,8; High: 2,0; RUTTING: Min.: 10 mm; Max.: 25 mm       |
| YEAR OPENED: 1959/1960; One reseal during 1978/79                |
|=============|====|======|=====|=====|====|====|=====|====|=======|
| KM STATIONS | LAYER     | MATERIAL  | TRAFFIC |                  |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
|             |TYPE|THICKN|CLASS|DESCR|AADT|%HEA|E80/L|#HEA|E80FACT|
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 0,00-49,80  |  9 |  -   | SC1 |  -  | 400| 20 |  50 | 80 | 1,25  |
|             | 10 |  -   | SCP |  -  |    |    |     |    |       |
|             | 20 |  -   | ND  |  -  |    |    |     |    |       |
|             | 30 |  -   | ND  |  -  |    |    |     |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|   TRUNK ROAD 1/5: REHOBOTH-WINDHOEK: LENGTH: 86,49 km            |
| PAVED WIDTHS: 6,0; 6,1; 6,2; 6, 3;7, 7; 7,9 and 8,1 m            |
| SHOULDER W.: 0,6; 1,1; 1,2; 1,5; 1,6; 1,8; 1,9; 2,3; 2,4; 2,6 and|
| 3,2 m. SHOULDER TYPE: GRAVEL                                     |
| RQ: Low: 4,0; High: 1,9; RUTTING: Min.: 3 mm; Max.: 13 mm        |
| YEAR OPENED: 1961/62; Reseals:1970; Widening to 8 m: 1986        |
| (Rehoboth-Aris);                                                 |
| 1978/81: reseal and widening to 8m (Aris-Windhoek)               |
|=============|====|======|=====|=====|====|====|=====|====|=======|
| 0,00-62,36  |  9 |  -   | ST1 |  -  |1200| 11 | 250 |140 | 3,57  |
|             | 10 |  -   | SS  |  -  |    |    |     |    |       |
|             | 20 |  -   | ND  |  -  |    |    |     |    |       |
|             | 30 |  -   | ND  |  -  |    |    |     |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 62,36-86,00 |  9 |  -   | ST2 |  -  | See: 0,00-62,36            |
|             | 10 |  -   | SCP |  -  |                            |
|             | 50 |  -   | ND  |  -  |                            |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 86,00-86,49 |  8 |  -   | AG  |  -  | See: 0,00-62,36            |
|             |  9 |  -   | ST2 |  -  |                            |
|             | 10 |  -   | SCP |  -  |                            |
|             | 50 |  -   | ND  |  -  |                            |
|==================================================================|
|   TRUNK ROAD 1/4: MARIENTAL-REHOBOTH: LENGTH: 174,86 km          |
| PAVED WIDTHS: 6,0; 6,1; 6,2; 6,3; 7,3; 7,4 and 7,6 m             |
| SHOULDER W.: 1,0; 1,2; 1,3; 1,4; 1,5; 1,6; 1,9; 2,0; 2,1; 2,5;   |
| 2,7 2,8; 2,9 and 3,3 m. SHOULDER TYPE:GRAVEL                     |
| RQ: Low: 3,7; High: 2,3; RUTTING: Min.: 3 mm; Max.: 16 mm        |
| YEAR OPENED: 1962/64; Reseals: Mariental-Kalkrand: 1978, 1983/84;|
| Kalkrand-Rehoboth: 1968, 1977 and 1982/83)                       |
|=============|====|======|=====|=====|====|====|=====|====|=======|
| KM STATIONS | LAYER     | MATERIAL  | TRAFFIC                    |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
|             |TYPE|THICKN|CLASS|DESCR|AADT|%HEA|E80/L|#HEA|E80FACT|
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 1,21-20,00  |  9 |  -   | FS  |  -  |    |    |     |    |       |
|             | 10 |  -   | SS  |  -  |    |    |     |    |       |
| 1,21-10,49  | 20 |  -   | ND  |  -  | 750| 16 | 198 |120 | 3,30  |
| 10,49-15,35 | 30 |  -   | ND  |  -  | 600| 20 | 198 |120 | 3,30  |
| 15,35-20,00 | 50 |  -   | ND  |  -  | 400| 21 | 190 | 85 | 4,47  |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 20,00-76,00 | 80 |  -   | FS  |  -  | See: 15,35-20,00           |
|             |  9 |  -   | ST1 |  -  |                            |
|             | 10 |  -   | SS  |  -  |                            |
|             | 20 |  -   | ND  |  -  |                            |
|==================================================================|
|   TRUNK ROAD 1/7: OKAHANDJA-OTJIWARONGO: LENGTH: 175,52 km       |
| PAVED WIDTHS: 6,0; 6,1; 6,2; 6,3; 6,4; 6,5; 6,6; 7,0 and 7,2 m   |
| SHOULDER W.:0,9; 1,0; 1,1; 1,2; 1,4; 1,5; 1,6; 1,7; 1,8; 2,0;    |
| 2,1; 2,2 and 2,4 m. SHOULDER TYPE: GRAVEL                        |
| RQ: Low: 4,2; High: 2,2; RUTTING: Min.: 4 mm; Max.: 15 mm        |
| YEAR OPENED: 1962/1965; Reseals:Okah.-Sukses: 1969, 1978, 1985/86|
| rebuilding of several sections; Sukses-Otjiw.: 1970, 1973, 1978  |
|=============|====|======|=====|=====|====|====|=====|====|=======|
| 10,44-32,11 |  8 |  -   | STD |  -  | 500| 25 | 200 |125 | 3,20  |
|             |  9 |  -   | STD |  -  |    |    |     |    |       |
|             | 10 |  -   | SS  |  -  |                            |
|             | 20 | 100  | G4* | KG  | * also: C2                 |
|             | 30 | 150  | G5* |  -  | * also: G6                 |
|             | 40 | 150  | G8M*|  -  | * also: G7M, G7 or G8      |
|             | 41 | 150  | G9M |  -  |                            |
|             | 50 |  -   | ND  |  -  |                            |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
|153,27-173,66|  8 |  -   | SL1 |  -  | See: 10,44-32,11           |
|             |  9 |  -   | FS  |  -  |                            |
|             | 10 |  -   | ST2*|  -  | * also: ST1                |
|             | 20 | 100  | G4* | FF  | * also: C2                 |
|             | 30 | 150  | G5  |  -  |                            |
|             | 40 | 150  | G6* |  -  | * also: G5                 |
|             | 41 | 150  | G7M*|  -  | * also: G6, G7 or G8M      |
|             | 50 |  -   | ND  |  -  |                            |
|==================================================================|
|   TRUNK ROAD 1/8: OTJIWARONGO-OTAVI: LENGTH: 118,76 km           |
| PAVED WIDTHS: 6,3; 6,4; 6,5 and 6,6 m                            |
| SHOULDER W.: 1,0; 1,2; 1,3; 1,4; 1,5; 1,7; 1,8; 1,9 and 2,0 m    |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 4,2; High: 1,9; RUTTING: Min.: 4 mm; Max.: 13 mm        |
| YEAR OPENED: 1965/1966; Reseals: 1973 and 1978; planned: 1987/88 |
|=============|====|======|=====|=====|====|====|=====|====|=======|
| KM STATIONS | LAYER     | MATERIAL  | TRAFFIC                    |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
|             |TYPE|THICKN|CLASS|DESCR|AADT|%HEA|E80/L|#HEA|E80FACT|
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 0,73-53,24  |  7 |  -   | SL1 |  -  |    |    |     |    |       |
| 0,00-0,91   |  8 |  -   | SL1 |  -  |700 | 22 | 200 |160 | 2,50  |
| 0,91-4,17   |  9 |  -   | FS  |  -  |600 | 23 | 187 |140 | 2,68  |
| 4,17-39,40  | 10 |  -   | ST2 |  -  |550 | 21 | 175 |120 | 2,92  |
|             | 20 | 100  | G4* | CC  | * also: C2    |    |       |
|             | 30 | 100  | G5* |  -  | * also: C3, G6|    |       |
|             | 40 | 150  | G6* |  -  | * also: G7, G8, C4 |       |
|             | 41 | 150  | G8M*|  -  | * also: G7M, G9M   |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|   TRUNK ROAD 1/2: GRÜNAU-KEETMANSHOOP: LENGTH: 157,62 km         |
| Km 0,00-15,00: PAVED WIDTH: 6,4 m; SHOULDER WIDTH: 1,8 m         |
| Km 15,00-130,00: SURF.W.: 6,2 m;SHOULDER W.: 0,5 m;              |
| Shoulder TYPE: GRAVEL                                            |
| RQ: Low: 3,3; High: 1,7; RUTTING: Min.: 2 mm; Max.: 12 mm        |
| YEAR OPENED: 1966-1968; Reseals: Keetmanshoop-Narubis: 1972 and  |
| 1978; Narubis-Grünau: 1978                                       |
|=============|====|======|=====|=====|====|====|=====|====|=======|
| 0,00-64,94  |  9 |  -   | SL1 |  -  |350 | 22 | 155 | 78 | 3,97  |
|             | 10 |  -   | SC1 |  -  |    |    |     |    |       |
|             | 20 | 120  | G4  | QQ  |    |    |     |    |       |
|             | 30 | 100  | G5  |  -  |    |    |     |    |       |
|             | 40 | 140  | G6  |  -  |    |    |     |    |       |
|             | 41 | 130  | G7  |  -  |    |    |     |    |       |
|==================================================================|
|    TRUNK ROAD 2/3: USAKOS-OMARURU: LENGTH: 95,43 km              |
| PAVED WIDTHS:6,2; 6,3; 6,5; 6,7; 6,8; 6,9 and 7,0 m              |
| SHOULDER W.: 1,1; 1,5; 1,9; 2,0; 2,2; 2,3; 2,4; 2,5 and 2,7 m    |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 2,9; High: 1,7; RUTTING: Min.: 3 mm; Max.: 13 mm        |
| YEAR OPENED: 1966 (Usakos-Karibib); 1976/77 (Karibib-Omaruru)    |
| Section Usakos-Karibib has been resealed during 1974             |
|=============|====|======|=====|=====|====|====|=====|====|=======|
| 0,67-18,10  |  9 |  -   | FS  |  -  | 500| 12 |  35 | 60 | 1,17  |
|             | 10 |  -   | ST2 |  -  |    |    |     |    |       |
|             | 20 | 100  | G4  | KK  |    |    |     |    |       |
|             | 30 | 100  | G5  |  -  |    |    |     |    |       |
|             | 40 | 100  | G5  |  -  |    |    |     |    |       |
|             | 41 | 100  | G7  |  -  |    |    |     |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|   TRUNK ROAD 1/10: TSUMEB-OSHIVELO GATE: LENGTH: 94,75 km        |
| PAVED WIDTHS: 7,2; 7,3; 7,4; 7,5; 7,6 and 9,8 m                  |
| SHOULDER W.: 1,4; 1,8; 2,1; 2,2; 2,3; 2,4; 2,5; 2,7; 2,8, 3,2 m  |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 2,1; High:1,7; RUTTING: Min.: 7 mm; Max.: 12 mm         |
| YEAR OPENED: 1967/1971; Reseals:1977 and 1981                    |
|=============|====|======|=====|=====|====|====|=====|====|=======|
| KM STATIONS | LAYER     | MATERIAL  | TRAFFIC                    |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
|             |TYPE|THICKN|CLASS|DESCR|AADT|%HEA|E80/L|#HEA|E80FACT|
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 0,00-3,35   | 10 |  -   | ST2 |  -  | 350| 25 | 225 | 90 | 5,00  |
|             | 20 | 150  | G3  | LL  |    |    |     |    |       |
|             | 30 | 150  | G6  |  -  |    |    |     |    |       |
|             | 40 | 150  | G6  |  -  |    |    |     |    |       |
|             | 41 | 150  | G6  |  -  |    |    |     |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|------------------------------------------------------------------|
| 7,54-94,75  |  8 |  30  | AG  |  -  | 350| 25 | 225 | 90 | 5,00  |
|             |  9 |   -  | FS  |  -  |    |    |     |    |       |
|             | 10 |  25  | AC  |  -  |    |    |     |    |       |
|             | 20 | 150  | G4  | CC  |    |    |     |    |       |
|             | 30 | 150  | G5  |  -  |    |    |     |    |       |
|             | 40 | 150  | G6* |  -  | * also: G4, G7|    |       |
|             | 41 | 150  | G7* |  -  | * also: G8, G9, G10|       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|TRUNK ROAD 1/11: OSHIVELO GATE-OSHIKANGO (ANGOLA):LENGTH:214,98 km|
| PAVED WIDTHS: 7,0; 7,1; 7,2; 7,3 and 8,0 m                       |
| SHOULDER W.: 1,0; 1,7; 2,0; 2,2; 2,3; 2,4; 2,5; 2,6 and 2,9 m    |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 2,8; High: 1,6; RUTTING: Min.: 3 mm; Max.: 16 mm        |
| YEAR OPENED: 1967/1968 to Ondangwa and 1985 to Oshikango;        |
| Reseal of section:Oshivelo-Ondangwa: 1973 and 1981               |
|=============|====|======|=====|=====|====|====|=====|====|=======|
| 0,00-155,22 |  8 |  30  | AG  |  -  | 350| 25 | 225 | 90 | 5,00  |
|             |  9 |  -   | FS  |  -  |    |    |     |    |       |
|             | 10 |  25  | AC  |  -  |    |    |     |    |       |
|             | 20 |  -   | ND  |  -  |    |    |     |    |       |
|             | 30 |  -   | ND  |  -  |    |    |     |    |       |
|             | 40 |  -   | ND  |  -  |    |    |     |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|  TRUNK ROAD 1/1: MIDDLE ORANGE RIVER BRIDGE: VIOOLSDRIFT-GRÜNAU  |
| LENGTH: 142,05 km; PAVED WIDTH: 6,8 m; SHOULDER WIDTH: 2.0 m     |
| EXCEPT: SECTION 65,00-105,00: 2,2 m; SHOULDER TYPE: GRAVEL       |
| RQ: Low: 3,6; High: 1,8; RUTTING: Min.: 3 mm; Max.: 12 mm        |
| YEAR OPENED: 1968-1970; No reseal to date                        |
|==================================================================|
| KM STATIONS | LAYER     | MATERIAL  | TRAFFIC                    |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
|             |TYPE|THICKN|CLASS|DESCR|AADT|%HEA|E80/L|#HEA|E80FACT|
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 0,18-74,41  | 10 |  -   | SC1 |  -  | 150| 15 |  45 | 23 | 3,91  |
|             | 20 | 120  | G4  | DD  |    |    |     |    |       |
|             | 30 | 105  | G5  |  -  |    |    |     |    |       |
|             | 40 | 150  | G5  |  -  |    |    |     |    |       |
|             | 41 | 150  | G7  |  -  |    |    |     |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|   TRUNK ROAD 8/2: GROOTFONTEIN-MURURANI: LENGTH: 127,41 km       |
| PAVED WIDTH: 8,0 m; SHOULDER WIDTH: 2,5 m; SHOULDER TYPE: GRAVEL |
| RIDING QUALITY: Low: 3,3; High: 2,2; RUTTING: No data            |
| YEAR OPENED: 1970 (Grootfontein-Berg Aukas Junction)             |
| 1983 (Berg Aukas Junction-Mururani); No reseals to date          |
|==================================================================|
| 3,00-17,50  | 10 |  30  | AG  |  -  |    |    |     |    |       |
| 0,00-5,42   | 20 | 100  | G3  | LL  | 400| 20 | 148 | 80 | 3,70  |
| 5,42-7,49   | 21 | 105  | G3  | LL  | 300| 23 | 145 | 70 | 4,14  |
| 7,49-17,28  | 30 | 150  | C3  |  -  | 250| 26 | 143 | 65 | 4,40  |
|             | 40 | 150  | G5* |  -  | * also: G6, G7|    |       |
|             | 41 | 150  | G7* |  -  | * also: G9    |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
| MAIN ROAD 55: GOBABIS-DIRECTION MAMUNO (BORDER): LENGTH: 14,87 km|
| PAVED WIDTH: 6,8 m                                               |
| SHOULDER WIDTHS: 1,8 and 2,5 m; SHOULDER TYPE: GRAVEL            |
| RQ: Low: 2,9; High: 2,4;RUTTING:Min.: 8 mm; Max.: 14 mm          |
| YEAR OPENED: 1971; Reseal during 1979                            |
|==================================================================|
| 0,00-14,87  |  9 |  -   | SL1 |  -  |    |    |     |    |       |
| 0,00-3,85   | 10 |  -   | SC2 |  -  |2000|  3 | 105 | 65 | 3,23  |
| 3,85-14,75  | 20 | 130  | G2  | SS  | 400| 15 | 100 | 60 | 3,33  |
| 14,75-14,87 | 30 | 150  | G5  |  -  | 100| 25 |  40 | 25 | 3,20  |
|             | 40 | 150  | G8  |  -  |    |    |     |    |       |
|             | 41 | 150  | G8  |  -  |    |    |     |    |       |
|             | 50 |  -   | G9M |  -  |    |    |     |    |       |
|==================================================================|
|   MAIN ROAD 72: GROOTFONTEIN-TSUMEB: LENGTH: 55,80 km            |
| PAVED WIDTHS: 6,2; 7,3 and 7,4 m                                 |
|SHOULDER WIDTHS: 1,0; 1,7; 1,8; 2,0; 2,2; 2,3; 2,4; 2,5 and 2,7 m |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 3,3; High: 2,4; RUTTING: Min.: 5 mm; Max.: 15 mm        |
| YEAR OPENED: 1971:No reseals to date; reseal planned:1987/88     |
|==================================================================|
| KM STATIONS |   LAYER   |  MATERIAL | TRAFFIC                    |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
|             |TYPE|THICKN|CLASS|DESCR|AADT|%HEA|E80/L|#HEA|E80FACT|
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 0,00-55,80  | 10 |  -   | ST2 |  -  | 450| 22 | 150 |100 | 3,00  |
|             | 20 | 150  | G3  | LL  |    |    |     |    |       |
|             | 30 | 150  | G5* |  -  | * also: G6    |    |       |
|             | 40 | 150  | G6* |  -  | * also: G7    |    |       |
|             | 41 |  -   | G6M*|  -  | * also: G7M, G8M, G9M, ND  |
|             | Some sections have no layer 41                     |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
| MAIN ROAD 52: WINDHOEK-DIRECTION KHOMAS HOCHLAND:LENGTH: 22,00km |
| PAVED WIDTHS: 7,6; 11,3 and 13,6 m                               |
| SHOULDER WIDTHS: 0,5; 1,0 and 3,0 m; SHOULDER TYPE: GRAVEL       |
| RQ: Low: 4,0; High: 2,8; RUTTING: Min.: 5 mm; Max.: 10 mm        |
| YEAR OPENED: 1971/72; No reseals to date                         |
|==================================================================|
| 0,00-22,00  | 10  |  -  | SC2 |  -  |    |    |     |    |       |
| 0,00-1,00   | 20  | 150 | C2  | KK  | 700| 10 | 35  | 70 | 1,00  |
| 1,00-16,00  | 30  | 100 | G6* |  -  | 350| 15 | 27  | 53 | 1,02  |
|             |     |     |     |     | * also: G5    |    |       |
| 16,00-22,00 | 40  | 150 | G7* |  -  | 150| 14 | 12  | 22 | 1,09  |
|             |     |     |     |     | * also: G6, G8|    |       |
|             | 41  | 150 | G7* |  -  | * also: G6, G8|    |       |
|             |     |     |     |     | 41: some sections omit     |
|             | 50  |  -  | ND  |  -  |    |    |     |    |       |
|==================================================================|
|   TRUNK ROAD 2/4: OMARURU-OTJIWARONGO: LENGTH: 132,68 km         |
| PAVED WIDTHS: 6,6; 6,7 and 6,8 m                                 |
| SHOULDER WIDTHS: 1,8; 2,0; 2,1; 2,2; 2,3; 2,4 and 2,7 m          |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 3,3; High: 1,6; RUTTING: Min.: 2 mm; Max.: 13 mm        |
| YEAR OPENED: 1973/75(Omaruru-Kalkfeld); 1970/73 (Omaruru-Otjiwar)|
| No reseals to date                                               |
|=============|====|======|=====|=====|====|====|=====|====|=======|
| 0,49-6,48   | 10 |  -   | SC1 |  -  | 150| 10 |  7  | 15 | 1,00  |
|             | 20 | 100  | G2  | MM  |    |    |     |    |       |
|             | 30 | 150  | G5  |  -  |    |    |     |    |       |
|             | 40 | 150  | G7  |  -  |    |    |     |    |       |
|             | 41 | 150  | G9M |  -  |    |    |     |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|   TRUNK ROAD 4/2: LÜDERITZBUCHT-AUS: LENGTH: 121,76 km           |
| PAVED WIDTHS: 6,7 and 6,8 m                                      |
| SHOULDER WIDTHS: 2,9; 3,0; 3,1; 3,2; 3,4 and 3,5 m               |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 3,3; High: 2,0; RUTTING: Min.: 4 mm; Max.: 13 mm        |
| YEAR OPENED: 1975 (Lüderitz-Haalenberg); 1978 (Haalenberg-Aus)   |
| No reseals to date                                               |
|==================================================================|
| KM STATIONS | LAYER     | MATERIAL  | TRAFFIC                    |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
|             |TYPE|THICKN|CLASS|DESCR|AADT|%HEA|E80/L|#HEA|E80FACT|
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 0,53-46,44  | 10 |  -   | SC2 |  -  | 100| 15 | 11  | 15 | 1,47  |
|             | 20 | 160* | G3  | GG  | * also: 130, 150 and 180 mm|
|             | 30 | 100* | G5  |  -  | * also: 110 and 120 mm     |
|             | 40 | 110  | G6* |  -  | * also: G7    |    |       |
|             | 41 | 150  | G6* |  -  | * also: RF, BR, G7, G8     |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|   MAIN ROAD 70: TRUNK ROAD 6/1-OMITARA: LENGTH: 14,82 km         |
| PAVED WIDTHS: 7,2 and 7,3 m; SHOULDER WIDTHS: 2,4 and 2,5 m      |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 3,6; High: 2,4; RUTTING: Min.: 7 mm; Max.: 10 mm        |
| YEAR OPENED: 1975: Reseals: 1979, 1983                           |
|==================================================================|
| 0,00-14,82  |  8 |  -   | SL1 |  -  |    |    |     |    |       |
| 0,00-12,00  |  9 |  -   | ST1 |  -  | 75 | 20 | 11  | 15 | 1,47  |
| 12,00-14,77 | 10 |  -   | SS  |  -  | 70 | 18 | 10  | 13 | 1,54  |
| 14,77-14,82 | 20 | 130  | G4  | KK  | 50 | 20 |  8  | 10 | 1,60  |
|             | 30 | 130  | G5  |  -  |    |    |     |    |       |
|             | 40 | 100  | G8  |  -  |    |    |     |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|   MAIN ROAD 67: OUTJO-KAMANJAB: LENGTH: 155,61 km                |
| PAVED WIDTHS: 7,3; 7,9; 8,0 and 8,1 m                            |
| SHOULDER WIDTHS: 1,5; 1,6; 1,7; 1,8; 2,0 and 2,4 m               |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 4,7; High: 1,6; RUTTING: Min.: 10 mm; Max.: 16 mm       |
| YEAR OPENED: 1970 (Outjo-Pforte); 1979/82 (Pforte-Kamanjab)      |
| No reseals to date                                               |
|==================================================================|
| 0,00-155,62 | 10 |  -   | SC1 |  -  |    |    |      |    |      |
| 0,00-50,69  | 20 |  -   | ND  |  -  | 120| 20 | 19   | 25 | 1,52 |
| 50,69-82,86 | 30 |  -   | ND  |  -  |  90| 22 | 15   | 20 | 1,50 |
| 82,86-155,60| 40 |  -   | ND  |  -  |  60| 25 | 11   | 15 | 1,47 |
|             | 50 |  -   | ND  |  -  |    |    |      |    |      |
|==================================================================|
|   TRUNK ROAD 15/1: VOIGTLAND-DORDABIS: LENGTH: 61,83 km          |
| PAVED WIDTHS: 6,8 m and 7,4 m                                    |
| SHOULDER WIDTHS: 1,3; 2,3 and 2,5 m; SHOULDER TYPE: GRAVEL       |
| RQ: Low: 3,3; High: 1,8; RUTTING: Min.: 4 mm; Max.: 25 mm        |
| YEAR OPENED: 1975/79; Reseals during 1979 and 1984/85            |
|==================================================================|
| KM STATIONS | LAYER     | MATERIAL  | TRAFFIC                    |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
|             |TYPE|THICKN|CLASS|DESCR|AADT|%HEA|E80/L|#HEA|E80FACT|
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 0,00-13,80  |  8 |  -   | STD |  -  | 100| 20 | 15  | 20 | 1,50  |
|             |  9 |  -   | SS  |  -  |    |    |     |    |       |
|             | 10 |  -   | SS  |  -  |    |    |     |    |       |
|             | 20 | 100* | G4  | KK  | * also: 130 mm|    |       |
|             | 30 | 150  | G6* |  -  | * also: G7    |    |       |
|             | 40 | 150  | G8  |  -  |    |    |     |    |       |
|             | 41 | 150  | G10M|  -  |    |    |     |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|    MAIN ROAD 61: STAMPRIET-ARANOS: LENGTH: 81,27 km              |
| PAVED WIDTHS: 7,3; 7,4 and 7,7 m                                 |
| SHOULDER WIDTHS: 2,5; 2,6; 2,8; 3,0; 3,2; 3,3 and 3,5 m          |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 3,2; High: 1,8; RUTTING: Min.: 6 mm; Max.: 17 mm        |
| YEAR OPENED: 1978/79: No reseal to date                          |
|==================================================================|
| 0,00-13,09  | 10 |  -   | SC2 |  -  | 130| 15 | 15  | 20 | 1,50  |
|             | 20 | 100  | G4  | CC  |    |    |     |    |       |
|             | 30 | 150  | G5  |  -  |    |    |     |    |       |
|             | 40 | 150  | G6* |  -  | * also: G7, G8|    |       |
|             | 41 | 150  | G7* |  -  | * also: G6    |    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|   TRUNK ROAD 8/6: KONGOLA-KATIMA MULILO: LENGTH: 117,98 km       |
| PAVED WIDTHS: 6,0 m and 7,5 m                                    |
| SHOULDER WIDTH: 1,3 m; SHOULDER TYPE: GRAVEL                     |
| RQ: Low: 2,9; High: 1,3; RUTTING: Min.: 2 mm; Max.: 14 mm        |
| YEAR OPENED: 1976/80; Reseal: 1988/89                            |
|==================================================================|
| 0,00-117,98 | 10 |  70  | AG  |  -  |    |    |     |    |       |
| 0,00-98,76  | 20 |  -   | ND  |  -  | 150| 20 |  8  | 30 | 0,53  |
| 98,76-108,23| 30 |  -   | ND  |  -  | 350| 14 | 13  | 52 | 0,50  |
|108,23-115,97| 40 |  -   | ND  |  -  | 400| 13 | 14  | 56 | 0,50  |
|115,97-117,98| 50 |  -   | ND  |  -  | 500| 10 | 12  | 50 | 0,50  |
|==================================================================|
|   MAIN ROAD 87: OKAHANDJA-GROSS BARMEN: LENGTH: 26,24 km         |
| PAVED WIDTHS: 8,0 and 8,2 m                                      |
| SHOULDER WIDTHS: 1,5; 2,0; 2,2; 2,4; 2,5 and 2,6 m               |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 2,1; High: 1,4; RUTTING: Min.: 1 mm; Max.: 8 mm         |
| YEAR OPENED: 1981; No reseal to date;reseal planned: 1987/88     |
|==================================================================|
| KM STATIONS | LAYER     | MATERIAL  | TRAFFIC                    |
|-------------|----|------|-----|-----|----|----|-----|----|-------|
|             |TYPE|THICKN|CLASS|DESCR|AADT|%HEA|E80/L|#HEA|E80FACT|
|-------------|----|------|-----|-----|----|----|-----|----|-------|
| 0,00-26,24  | 10 |  -   | SS  |  -  | 100|  5 |  5  |  5 | 2,00  |
|             | 20 | 100* | G4  | CC  | * also 125 mm |    |       |
|             | 30 | 125  | G5  |  -  |    |    |     |    |       |
|             | 40 | 150  | G7* |  -  | * also G6, G8 |    |       |
|             | 41 | 150  | G8M*|  -  | * also G7M, G9M    |       |
|             | 50 |  -   | ND  |  -  |    |    |     |    |       |
|==================================================================|
|   MAIN ROAD 101: T.R.1/7-OKAKARARA: LENGTH: 72,13 km             |
| PAVED WIDTH: 8,0m; SHOULDER WIDTHS: 2,0 and 2,5 m                |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 3,2; High: 2,2; RUTTING: Min.: 5 mm; Max.: 12 mm        |
| YEAR OPENED: 1981; No reseal to date                             |
|==================================================================|
| 0,00-9,87   | 10 |  -   | SCP |  -  | 145| 15  | 16 | 22 | 1,50  |
|             | 20 | 150* | G2  | MM  | * also: 180 mm|    |       |
|             | 30 | 150  | G5  |  -  |    |     |    |    |       |
|             | 40 | 150  | G6* |  -  | * also: G8    |    |       |
|             | 41 | 150  | G7M*|  -  | * also: G8M   |    |       |
|             | 50 |  -   | G10M|  -  |    |     |    |    |       |
|==================================================================|
|   DISTRICT ROAD 3620: OSHAKATI-OKATANA: LENGTH: 1,49 km          |
| PAVED WIDTH: No data; SHOULDER WIDTH: No data; SH.TYPE: GRAVEL   |
| RQ: Low: 3,0; High: 2,4; RUTTING: Min.: 2 mm; Max.: 4 mm         |
| YEAR OPENED: 1984; No reseal to date                             |
|==================================================================|
| 0,00-1,49   | 10 |  -   | SCP |  -  | 150| 10  |   4 | 15 | 0,53 |
|             | 20 | 150* | G4  | XX  | * also: 125 and 175 mm     |
|             | 30 | 140  | G5  |  -  |    |     |     |    |      |
|             | 40*| 150  | G6  |  - * some type 40 sections omit  |
|             | 50 |  -   | G8  |  -  |    |     |     |    |      |
|==================================================================|
|   MAIN ROAD 68: PFORTE-OKAUKUEJO: LENGTH: 103,85 km              |
| PAVED WIDTH: 6,3 and 7,4 m; SHOULDER WIDTH: 1,5; 2,0 and 3,0 m   |
| SHOULDER TYPE: GRAVEL                                            |
| RQ: Low: 3,5; high: 1,4; RUTTING: Min.: 3 mm; Max.: 10 mm        |
| YEAR OPENED: 1984/85: No reseals to date                         |
|==================================================================|
| 0,00-103,85 | 10 |  -   | SC1 |  -  |    |     |     |    |      |
| 0,00-6,00   | 20 |  -   | ND  |  -  | 100|  12 |   7 | 12 | 1,17 |
| 6,00-50,00  | 30 |  -   | ND  |  -  |  80|  13 |   6 | 11 | 1,09 |
|             | 40 |  -   | ND  |  -  |    |     |     |    |      |
|             | 50 |  -   | ND  |  -  |    |     |     |    |      |
|==================================================================|
|   MAIN ROAD 49: WINDHOEK-DIRECTION GAMSBERG: LENGTH: 4,83 km     |
| PAVED WIDTHS: 7,9; 8,0 and 8,1 m                                 |
| SHOULDER WIDTHS: 2,3; 2,5 and 2,7 m; SHOULDER TYPE: GRAVEL       |
| RQ: Low: 2,7; High: 2,2; RUTTING: Min.: 5 mm; Max.: 12 mm        |
| YEAR OPENED: 1985; No reseals to date                            |
|==================================================================|
| 0,00-4,83   | 10 |  -   | SC1*|  -  | * also: SCP,ST2,SS,SL2,SD, |
|             |    |      |     |     |    | STS       |    |      |
| 0,00-3,85   | 20 | 150  | G4  | KK  | 450| 30  | 94  |135 | 1,39 |
| 3,85-4,83   | 30 | 150  | G5  |  -  | 110| 14  | 10  | 16 | 1,25 |
|             | 40 | 150  | G8* |  -  | * also: G7     |    |      |
|             | 41 | 150  | G9* |  -  | * also: G10M   |    |      |
|             | 50 |  -   | ND  |  -  |    |     |     |    |      |
|==================================================================|

NOTA: Department of Transport: Directorate Planning: Computer
Section: "Pavement Management System" as derived from databank
Programs: $RR300 AND $RR305, August-November 1986
with updates: April 1987/November 1989: Databank 'NAMROADS'
developed by author

LAYER CODE: Types from 00 - 55
10: bituminous surfacing (09: 1.seal; 08: 2.seal; 07: 3.seal etc.)
20: basecourse; 30: subbase; 40: subgrade; 50: fill;
ND = No data or default (140 mm thickness).

CLASSIFICATION OF ROAD CONSTRUCTION MATERIALS [88]:
CODES FOR SURFACINGS:
Slurry Seal (fine): SL1; Fogspray: FS; One Layer Chips Seal: ST1;
Two Layer Chips Seal: ST2; One Layer Chips Seal with Sand: STS;
One Layer Chips Seal with Crusher Dust: STD;
19 mm Chips Seal with 2 Slurry Seals: SC2;
13 mm Chips Seal with 1 Slurry Seal: SC1; Sand Seal: SS;
19 mm Chips Seal with Asphalt Seal (Koffiemoer): SCP;
Portland Cement Concrete: PCC;
Asphalt (gap graded): AG; Asphalt (semi-gap graded): AS;
Asphalt (continuously graded): AC; Asphalt (open graded): AO.

MATERIALS DESCRIPTION FOR PAVEMENT LAYERS:
Shale: AA; Basalt: BB; Calcrete: CC; Dolerite: DD; Terrace Gravel: EE;
Laterite: FF; Granite: GG; Schist: HH; Quartz: KK;
Dolomite: LL; Marble: MM; Quartzite: QQ; Sandstone: SS; Tillite: TT;
For more than one type of rock, for example:
Dolerite/Granite: DG; Quartz/Calcrete: KC; Quartzite/Basalt: QB etc.

STRUCTURAL DESIGN OF RURAL ROAD PAVEMENTS [82]:
MATERIAL CODES FOR BASECOURSE LAYERS:
G1 Graded crushed unweathered solid rock (untreated);
G2 Graded crushed course gravel/boulders (fines added);
G3 Graded crushed stone and soil binder; G1-G3: S.C. = 0,14 or 0,22; *
G4 Natural gravel (processed and/or modified); **
C1 Cement treated stone/gravel; **
C2 Cement treated stone/gravel (fines added); **
C3 Cement treated natural gravel (G5); **
C4 Cement treated natural gravel (G6); S.C.= 0,13. **
* Strength Coefficient (S.C.) = 0,22 for basecourse over cemented SB;
S.C.: established according to AASHO Road Test Material
Coefficients of Relative Strength [91]
** also used in subbase layers; Strength Coefficient (S.C.)= 0,25.

MATERIAL CODES FOR SUBBASE AND SUBGRADE LAYERS:
C5 Treated natural gravel (G5,G6,G7);
RF Dumprock S.C. = 0,08, CBR = 30; BR Bedrock, CBR = 80;
G5 Gravel soil (Min CBR 45 @ 95% mod AASHTO density), S.C. = 0,12, CBR=60;
G6 Gravel soil (Min CBR 25 @ 93% mod AASHTO density),
G6M Gravel soil (Min CBR 25 @ 90% mod AASHTO density),
both: CBR = 45 and S.C. = 0,11;
G7 Gravel soil (Min CBR 15 @ 93% mod AASHTO density),
G7M Gravel soil (Min CBR 15 @ 90% mod AASHTO density),
both: CBR = 25 and S.C. = 0,09;
G8 Gravel soil (Min CBR 10 @ in situ density),
G8M Gravel soil (Min CBR 15 @ 90% mod AASHTO density),
both: CBR = 15 and S.C. = 0,08;
G9 Gravel soil (Min CBR 7 @ in situ density),
G9M Clayey soil (Min CBR 7 @ 90% mod AASHTO density),
both: CBR = 10 and S.C. = 0,06;
G10 Clayey soil (Min CBR 3 @ in situ density),
G10 M Clayey soil (Min CBR 3 @ 90% mod AASHTO density),
both: CBR = 5 and S.C. = 0,00;

Foamed Bitumen Stabilised Sand: XX;
Bitumen Emulsion Stabilised Sand: XY;
No data or default: ND: CBR=15 and S.C.= 0,10;

RIDING QUALITY (RQ) in terms of IRI (m/km) ( QI=14*IRI-10) [37].

E80FACT = E80 FACTOR = Number of E80 axles/heavy vehicle.

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