a) Stop or red time of a signal is the sum of go and clearance intervals for the cross flow.
b) Go or green time of a signal is the sum of stop and clearance intervals for the cross flow.
c) Clearance time is generally 3 to 5 seconds.
d) The cycle length is normally 40 to 60 seconds for two phase signals.
Ans: b
Category: HIGHWAY ENGINEERING Questions
Nagpur road plan formula were prepared by assuming | HIGHWAY ENGINEERING
a) rectangular or block road pattern
b) radial or star and block road pattern
c) radial or star and circular road pattern
d) radial or star and grid road pattern
Ans: d
The effect of grade on safe overtaking sight distance is | HIGHWAY ENGINEERING
a) to increase it on descending grades and to decrease it on ascending grades
b) to decrease it on descending grades and to increase it on ascending grades
c) to increase it on both descending and ascending grades
d) to decrease it on both descending and ascending grades
Ans: c
The percentage compensation in gradient for ruling gradient of 4% and horizontal curve of radius 760 m is
a) 0.1 %
b) 1 %
c) 10%
d) no compensation
Ans: d
The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as
a) spot maps
b) pie charts
c) condition diagram
d) collision diagram
Ans: d
Center line markings are used | HIGHWAY ENGINEERING
a) to designate traffic lanes
b) in roadways meant for two way traffic
c) to indicate that overtaking is not permitted
d) to designate proper lateral placement of vehicles before turning to different directions
Ans: b