Computer · Transportation Engineering
A linear speed-density relationship is assumed for two roads, Road A and Road B. Let the free-flow speed and jam density of Road A be u A and k A , respectively, and those of Road B be u B and k B , respectively. If the capacity of Road A is C A and the capacity of Road B is C B , what is the ratio C A C B ?
- 1k A u B k B u A
- 2k A u A k B u B✓
- 3u A u B
- 4k A k B
Correct answer
k A u A k B u B
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