Traffic and Highway Engineering
5th Edition
ISBN: 9781305156241
Author: Garber, Nicholas J.
Publisher: Cengage Learning
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Question
Chapter 7, Problem 5P
To determine
Main functions of channelization at an at-grade intersection.
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The crossing of traffic streams moving the same general direction accomplished by merging
and diverging.
Undercrossing
Travel way
Weaving
Flared intersection
A type of intersection applied for
elevated traffic volumes
In the 4- legged intersection, if G1-11.31 sec, G2 1.2 min, G3 =
58 sec, N1= 100, N2 = 560 pce/lane, N3 = 448 pce/lane, and N4 =
%3D
495 pce/lane, then G4 =
%3D
Oa. 44 sec
O b. 36 sec
Oc. 29 sec
O d. None of the given answers
O e 40 sec
Of 32 sec
Chapter 7 Solutions
Traffic and Highway Engineering
Ch. 7 - Prob. 1PCh. 7 - Prob. 2PCh. 7 - Prob. 3PCh. 7 - Prob. 4PCh. 7 - Prob. 5PCh. 7 - Prob. 6PCh. 7 - Prob. 7PCh. 7 - Prob. 8PCh. 7 - Prob. 9PCh. 7 - Prob. 10P
Ch. 7 - Prob. 11PCh. 7 - Prob. 12PCh. 7 - Prob. 13PCh. 7 - Prob. 14PCh. 7 - Prob. 15PCh. 7 - Prob. 16PCh. 7 - Prob. 17PCh. 7 - Prob. 18PCh. 7 - Prob. 19PCh. 7 - Prob. 20PCh. 7 - Prob. 21PCh. 7 - Prob. 22PCh. 7 - Prob. 23PCh. 7 - Prob. 24PCh. 7 - Prob. 25PCh. 7 - Prob. 26PCh. 7 - Prob. 27PCh. 7 - Prob. 28P
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- It is defined as an at-grade crossing of two or more roadways. Choices: A. Intersection B. Block C. Street D. Highwayarrow_forwardDescribe and Identify all types of traffic signals and describe the different principles involved in the design of at-grade intersections.arrow_forwardQUESTION 4 What is the calculated stopping sight distance (ft) for a -3% grade when the design speed is 55 mph, assuming the AASHTO recommended deceleration rate and perception-reaction time.arrow_forward
- Two adjacent signalized intersections along a major arterial are 650 ft apart (stop line to stop line distance). If the space mean speed between these two intersections is 22 mph, what should be the signal offset of the downstream intersection relative to the upstream intersection? Group of answer choices 20.0 sec 13.5 sec 40.0 sec 29.5 secarrow_forwardConsider the tabulated intersection design data below, then the number of vehicles stopped during the red interval for Phase EW is vehicles. Assume that Qs is 2000 about .............. vphpl and use Webster's method procedure. Qa (vph) Yellow All-red ts (sec) Lane 1 Lane 2 (sec) (sec) Phase N 500 600 2 2 3 Phase S 650 550 2 Phase EW 300 250 2 1 2 а. 13 b. 10 6. d. 8. C.arrow_forwardA Blank 1 is an intersection with a central island around which traffic must travel Blank 2 and in which entering traffic must yield to circulating trafficarrow_forward
- Q3: A four-leg intersection with no traffic control is formed by two-lane roads with the speed limits on the minor and major roads being 15 and 25 mi/h, respectively. If the roads cross at 90° and a building is to be located at a distance of 45 ft from the centerline of the outside lane of the major road, determine the minimum distance at which the building should be located from the centerline of the nearest lane on the minor road so that adequate sight distances are provided.arrow_forward55 mph roadway with two northbound through lanes (both are 11 feet in width) through an intersection. Beyond the intersection, the lanes merge into one lane. Please calculate the merge taper AND the distance the sign must be place AHEAD or upstream of the beginning of the merge. Pls hand written solutionarrow_forwardThe number of crossing, diverging, and merging vehicle-vehicle conflict points for the shown intersections are ../. respectively. а. 3/6/8 b. 4/6/6 O C. 3/6/6 d. 3/8/8arrow_forward
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