1. the following information is provided for an intersection that will have signalization. calculate the signal...

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Civil Engineering

1. the following information is provided for an intersectionthat will have signalization. calculate the signal timing for a twophase system also show the phase diagram .
peak hour volumes: SB/NB/WB/EB;360/300/444/482 vph
PHP; SB/NB/WB/EB:0.92/0.88/0.90/0.82
saturation flow: SB/NB/WB/EB:1500/1500/1800/1800vph
distribution of vehicles for turning movements
South bond North bond West bond East bond
TM T R L    T R L T R L    T R L
% of TM 90 4 6    88 7 5    84 8 6 86 15 1
% of CV 3 0 3    4 14 4 2 8 10 4 15 7
yellow interval 3.1 sec. for SB-NB, and 3.4 sec. for WB-EB; losttime 3.3 sec for each of the phases.
2. its a question from transportation

Answer & Explanation Solved by verified expert

4.0 Ratings (463 Votes)

We are told to assume its a two phase Signal so we haveApproachPhase 1SBNBPhase 2WBEBThe phase diagram is shown asDHV givent turn flowphf so for NB it wil be 30088 341Now in SB approach 391 is DHB and are given 90 is throughvolume and 4 See Answer

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	South bond	North bond	West bond	East bond
TM	T R L	T R L	T R L	T R L
% of TM	90 4 6	88 7 5	84 8 6	86 15 1
% of CV	3 0 3	4 14 4	2 8 10	4 15 7