The following spot speeds were measured at a location along a two-lane highway (for one direction only), over a period of 10 minutes. 69 54 67 69 58 62 57 61 63 58 60 60 58 54 57 60 71
65 57 63 69 69 59 54 60 67 58 46 53 59 62 54 58 68
66 59 57 64 58 52 61 65 61 53 58 57 65 47 64 54 68
59 59 62 57 66 67 58 64 60 59 59 63 56 62 64 59 57
61 61 58 57 64 70

Calculate the following traffic stream parameters:

a. Time mean speed
b. Space mean speed (assume that all vehicles were traveling at a constant speed)
c. Hourly flow rate
d. Density
e. Sketch the speed-flow curve for these traffic conditions, assuming that the roadway capacity and free-flow speed have previously been determined to be 1800 veh/h/In and 62 mill, respectively.

answer:

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explanation:

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