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A two-lane urban road with one-way traffic has a maximum capacity of 1800 vehicles/hour. Under the jam condition, the average length occupied by the vehicles is 5.0 m. The speed versus density relationship is linear. For a traffic volume of 1000 vehicles/hour, the density (in vehicles/km) is
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- 52
- 58
- 67
- 75
- 52
Correct Option: C
| qmax = | ||
| 4 |
| ∴ kj = | = | = 400 veh. / km | ||
| uj | 18 |
| q = k.v = k |  | uf |  | 1 - |  |  | ||
| kj |
| 1000 = k | | 18 | | 1 - | | | ||
| 400 |
∴ k = 66.6 ≈ 67.
