For the STOP-controlled intersection show below, is the sight distance sufficient for safeoperations? If not, what do you recommend? Again, you may assume that a traffic signal is notwarranted at this location. All grades are level, and the standard reaction time of 2.5 s may beused. Lane widths on the E-W street are 12 ft.45 mi/h45 mi/h30 ft :30 mi/h50 ft35 ft28 ftBuildingBuilding

Given :- a STOP controlled intersection Reaction time = 2.5 s Lame width of EW street = 12 ft

Answered: For the STOP-controlled intersection…

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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QUESTION 3 What is the intersection sight distance (ft) needed at a yield controlled intersection for a passenger car to turn left onto a 2- way, 2-lane road with a design speed of 50 mph? [round to the nearest foot]
a) A lane merge warning sign (shown below) is being installed near an entrance ramp on a freeway with operating speeds of 80 mph. Calculate the appropriate advance placement distance (to the nearest foot) for the sign assuming a perception-reaction time of 14 seconds for the vehicle avoidance maneuver. b) A curve or turn warning sign is to be installed near a single curve with a 28 mph design speed (per ball-bank indicator) on a rural 2-lane roadway. The prevailing speed of traffic on the approaching tangent section is 62 mph. Calculate the advance placement distance upstream of the curve PC for this sign (to the nearest foot). Also indicate the appropriate sign to be used (curve or turn) and the appropriate safe advisory speed if one is to be posted for this curve.
Lane groups are used during signal design to allocate green time among traffic movements at an intersection. What lane group(s) should be defined for the north-bound approach? Intersection layout is shown in the figure below. All approaches have an exclusive left-turning lane. The right lane is shared between through and right turns. a. 60 ft. C. 48 ft. North-bound G=+3% There should be two lane groups. The left turn lane is its own lane group (Lane Group #1). The rest lanes belong to Lane Group #2. O b. There should be two lane groups. The right-side lane is its own lane group (Lane Group #1). The rest lanes belong to Lane Group #2. There should be just one lane group, which contains all the lanes from that approach. O d. Any of the above. ause it's shared
Subject : Transportation engineering Please give me right solution according to the question...
A traffic signal control is being designed for a four-leg intersection on a divided highway with the characteristics shown in the table below. Assuming the average vehicle length L is 6m, Determine an appropriate length of the yellow interval for each approach and how you will provide it. Use the AASHTO recommended deceleration rate and perception-reaction time. N-S Approaches E-W Approaches Median width, (m) 6. 3 No. of 3.5 lanes 3 on each approach Design speed, km/h 60 Grade -3.5 2. 80
QUESTION 4 What is the intersection sight distance (ft) needed at a yield controlled intersection for a passenger car to turn right onto a 2- way, 2-lane road with a design speed of 50 mph? [round to the nearest foot]
10. For the intersection shown below draw a 3-phase traffic signal operation.
An intersection has four symmetrical approaches. The width (curb-to-curb distance) of each approach is 57 ft. If the length of the design vehicle is 19.4 ft and the design speed is 35 mph, what should be the all-red time? Group of answer choices 1.25 sec 1.75 sec 1.50 sec 2.0 sec
I need the answer quickly
Q5 / a. Section road: length = 500 m, average travel time = 90 sec., average running time = 60 sec. and speed limit = 60 Km/hr. Find: fixed and operational delay. Q5 / b. Annual average daily traffic volume = 5000vpd and design hour volume = 750 vpd. Find k – factor and type of roadway. Q5 / c. Four vehicles (5.5, 5.6, 6.4, and 6.5) m long are distributed over length of freeway lane100m. Find Lane occupancy and Density.

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