Question

3- A section of a freeway shows the following relationship between the traffic flow and the traffic density:
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a) (7%) What is the capacity of the highway section?
b) (8%) What is the speed at capacity?
c) (8%) What is the density when the highway is at one quarter of its capacity?

Answer 1

giren q = Sok-8.35K² 2 vf k K green shield equation 9=VEK- By comparadition rf=50 melho Vf 0.35 KJ k - S636 - 142.85 ven/mile Vfk 4 50 X 142.85 Capacity of wighway qmex= Capacity amox = capacity amox= 1786 verur 1785 71 4 capacity wighway occurs at Va Vf/2 ra so 2 Speed at capaity Va 25 milno 1786 4466 q= qmax 4 f 446:55 SOK- 0 0-356² M density k,= 9.571 ver/mile kz 133.28 ven/mile こ