Overall travel time is the time while the vehicle in motion. False True
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- Observers stationed at two sections XX and YY, 1000 ft apart on a highway, record the arrival times of four vehicles as shown in the table below. Vehicle Section XX Section YY A T0 T0 + 14.33 sec B T0 + 3.76 sec T0 + 18.14 sec C T0 + 7.94 sec T0 + 22.06 sec D T0 + 12.13 sec T0 + 27.87 sec If the total time of observation at XX was 20 sec, determine (a) the time mean speed, (b) the space mean speed, (c) the flow at section XX, and (d) the density on the highwayQ-3 A_ A vehicle traveled from city A to city B With average speed 120 km/hr, In the same time another vehicle traveled from city B to city A With average speed 90 km/hr,where and when the two vehicle will be connect if the distance between A and B 200 Km?Compute the minimum passing sight distance for the following data: Speed of the passing car = 96 kphSpeed of the overtaken vehicle = 80 kphTime of initial maneuver = 4 secsAverage acceleration = 2.4 kph/secTime passing vehicle occupies the left lane = 9 secsTime the passing vehicle meets the vehicle originally occupying the left lane = 6 sec
- The following are specifications for traffic design of a highway:Speed of the passing car = 100 kphSpeed of the overtaken vehicle = 80 kphTime of initial maneuvers = 5 secTime passing vehicle occupies left lane = 10 secsDistance between the passing car and opposing car at the end of maneuver = 20 mAverage acceleration = 2.5 kph/sec. 1. Determine the required total passing sight distance for said road a. 502.75 m b. 602.75 m c. 702.75 m d. 402.75 m 1. Find the minimum required passing sight distance. a. 280.37 m b. 390.37 m c. 48.37 m d. 490.37 mTraffic volumes on multilane highways O a. 15000 – 35000 veh/h. O b. 20000 – 40000 veh/h. Oc. 15000 – 40000 veh/h. O d. 20000 – 35000 veh/h.An engineering student at MLQU is driving on alevel roadway and sees a construction sign 600 feet ahead Ithe middle of the roadway. The student strikes the sign at aspeed of 35 mph. If the student was travelling at 55 mph whenthe sign was first spotted, what was the student’s associatedperception/reaction time in sec? Assume that the decelerationis 11.2 ft/s?
- Under what condition is a value of 1 assigned to the parameter I in the expression for the lane group delay calculation?uestion 18 The density of traffic in a certain observation point on a highway was recorded to be 30 veh/km. If the space mean speed of the vehicle is 50 kph, how many vehicles will be passing every 30 minutes O A. 25.5 O B. 750 O C. 12.5 O D. 13 O E. None of the above «Compute the minimum passing sight distance forthe following data. Speed of passing car – 90kph Speed of overtaken vehicle – 80 kph Time of initial maneuver – 4 sec Ave. acceleration – 2.4 kph/sec2 Time passing vehicle occupies left lane – 9 sec Distance between passing vehicle at the end of its maneuver and opposing vehicle – 80 mTransportation Engineering Roll No. - 69 do the numerical part 2. Explain with the help of sketches various types of highway intersections. The 15 minute design traffic volume on cross road 1 and 2 during peak hour are observed as 180+R.No. and 150+R.No. vehicles per lane respectively. If the amber times required are 4 and 3 seconds respectively for two roads, design the signal timing by trial cycle (or exact) method. Assume average time headway of 2.5 sec during green phase. CO3PROBLEM 6: Four vehicles passing through the SLEX has the following observation. Determine the time mean speed. Vehicles Time of passing (sec) | Spot speed (kph) 1 1.5 55.4 2 6.0 56.8 3 8.0 53.6 4 12.00 48.9A given movement at signalized intersection receives 28-seconds green time, 3.5 seconds of yellow time out of 60 seconds cycle. If saturation flow rate is 3750 vph/lane and the startup lost time is 1.5 seconds, what is the capacity of the movement? 8036 4083 1680 1750SEE MORE QUESTIONS