Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
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Chapter 8, Problem 19P
To determine
From given
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Ninth Lecture
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Chapter 8 Solutions
Traffic and Highway Engineering
Ch. 8 - Prob. 1PCh. 8 - Prob. 2PCh. 8 - Prob. 3PCh. 8 - Prob. 4PCh. 8 - Prob. 5PCh. 8 - Prob. 6PCh. 8 - Prob. 7PCh. 8 - Prob. 8PCh. 8 - Prob. 9PCh. 8 - Prob. 10P
Ch. 8 - Prob. 11PCh. 8 - Prob. 12PCh. 8 - Prob. 13PCh. 8 - Prob. 14PCh. 8 - Prob. 15PCh. 8 - Prob. 16PCh. 8 - Prob. 17PCh. 8 - Prob. 18PCh. 8 - Prob. 19PCh. 8 - Prob. 20PCh. 8 - Prob. 21PCh. 8 - Prob. 22PCh. 8 - Prob. 23PCh. 8 - Prob. 24PCh. 8 - Prob. 25PCh. 8 - Prob. 26PCh. 8 - Prob. 27PCh. 8 - Prob. 28P
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- 2. A driver traveling at 70 kph sees a stalled car 30 m ahead. If the driver applies the brakes immediately (perception - reaction time is zero) and begins slowing the vehicle at 8 m/sec2 (emergency deceleration), how far from the stalled car will the car stop to avoid hitting the stalled vehicle? V,=70 kph V,=0 Stalled Car a=-8m/s2 -S- 30-S -30 m-arrow_forwardFind the minimum radius of a freeway that has a design speed of 120 km/hr, a maximum superelevation rate of 8% (i.e. emax= 8%). Use a maximum side friction coefficient value of 0.09 (i.e. fmax=0.09 for a design speed of 120 km/hr). Also for the same freeway, find the superelevation for a curve that has a radius of 900m. TRANSPORTATION ENGINEERING-IIarrow_forward(show your solutions) Compute for the Average Speed for Control Point C-D. * A.24 kph B.25 kph C.30 kph D.None of the above E.28.8 kpharrow_forward
- Find minimum sight distance to avoid head-on collision of two cars approaching at 90 kmph and 60kmph. Given t=2.5sec, f=0.7.arrow_forwardThe answer must be = 1.9 sec and 10.5 ft/secarrow_forwardA vehicle moves in a straight line such that for a short time its velocity v = (0.4t + 0.6vt) m/s where t is in second (ift3D0, s=0).Determine it position(s) when t-4sec? **arrow_forward
- 3. Compute the average speed that a passenger car should travel in a certain freeway if the spacing if the car moving in the same lane is 40 meters traffic at this instant is 2000 vph. 80 kph center to center. Volume ofarrow_forwardQ- Determine the minimum non-passing sight distance that should be provided for a vehicle coming down a 6% gradient. Given that- design speed V=56 kmph Reaction time t=2 s Coefficient of friction f=0.5arrow_forward-) C Problem 1.3. Calculate the minimum non-passing sight distance on a highway at a descending gradient of 6%. Given tile following data : (i) Design speed = 80 kmph (ii) Reaction time of driver = 2.5 seconds. (iii) Coefficient of friction between tyre and road surface = 0.4 pogging sightarrow_forward
- (show your solutions) Compute for the Average Speed for Control Point A-B. * A.24 kph B.28.8 kph C.25 kph D.None of the above E.30 kpharrow_forward10-21. Consider an ideal single lane of road that carries 1,200 vehicles per hour uniformly spaced along the road and determine the following: a. The average center-to-center spacing of the vehicles for an average traf- fic speed of 40.0 km/h. b. The number of vehicles in a 1 km length of the lane when the average speed is 40.0 km/h. c. The sound level (dBA) 60.0 m from a 1 km length of this roadway with automobiles emitting 71 dBA at the edge of an 8.0 m-wide roadway. Assume that the autos travel at a speed of 40.0 km/h, that the sound radiates ideally from a hemisphere, and that contributions of less than 0.3 dBA may be ignored. Answers: a. Average center-to-center spacing = 33.3 m b. Number of vehicles in a 1 km length = 30 vehicles/km c. L₂ = 47.47 or 48 dBAarrow_forwardFind stopping sight distance (SSD) for an artesrial highway in Baghdad city with the following characteristics: (design speed = 60 (mi/hr), longitudinal slop (N) = 2 (%) and coeffici friction (f) = 0.348.)arrow_forward
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