3. A vehicle platoon was observed over a distance of 1000 ft on a single lane of Oak Street.entering at point A and departing at point B.VehicleTime at ATime at B(sec)(sec)1352(a) Trajectories(b) Avg. VolumeDensity &Space Mean Speed3733945425446.8.48(a) Plot the trajectories of these six vehicles on graph paper and (b) calculate the aver-age volume, density. and speed for these six vehicles observed, assuming the first 10 sec-onds at A as the period of observation.

Average Volume - By observing vehicles crossing Section A with 8 seconds 6 vehicle are observed so…

3. A vehicle platoon was observed over a distance of 1000 ft on a single lane of Oak Street. entering at point A and departing at point B. . Vehicle Time at A Time at B (sec) (sec) 35 (a) Trajectories (b) Avg. Volume Density & Space Mean Speed 2 37 3- 3 39 4 42 44

3. A vehicle platoon was observed over a distance of 1000 ft on a single lane of Oak Street. entering at point A and departing at point B. . Vehicle Time at A Time at B (sec) (sec) 35 (a) Trajectories (b) Avg. Volume Density & Space Mean Speed 2 37 3- 3 39 4 42 44

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A direction sign is needed before a highway off-ramp. The highway 85th percentile of 50 mph. Vehicle normally make the turn (enter the ramp) at the design speed of 25 mph and cars travel at a constant speed of 50 mph during the perception-reaction time. Using perception reaction time of 1.5 seconds to read and understand the sign and a deceleration (braking) rate of 0.3g, what is the minimum distance the direction sign should be installed in advance of the ramp?
(show your solutions) Compute for the Average Speed for Control Point B-C. * A.24 kph B.None of the above C.25 kph D.30 kph E.28.8 kph
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An intersection has a three-phase signal with the movements allowed in each phase and corresponding analysis and saturation flow rates shown in the table below. Assume the lost time is 4 seconds per phase and a critical intersection v/c of 0.90 is desired. Phase 3 Allowed movements NB L, SB L NB T/R, SB T/R EB L, WB L EB TR, WB TR Analysis flow rate 330, 365 veh/h 1125, 1075 veh/h 110, 80 veh/h 250, 285 veh/h Saturation flow rate 1700, 1750 veh/h 3400, 3300 vehh 650, 600 veh/h 1750, 1 800 veh/h Using v/c equalization ratio, calculate the effective green time for phase 3 14.825 sec 15.552 sec O 11.462 sec O 16.065 sec
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A signalized intersection has four approaches. If the north, south, east, and west approaches have average control delays of 21, 25, 34, and 32 seconds, respectively, and their respective volumes are 198, 176, 265, and 303 pc/h, what is the intersection LOS? Group of answer choices LOS C LOS B LOS A LOS D