Highway Engineering
When the width of car parking space and width of street are limited, generally preferred parking system is

65° angle parking
45° angle parking
90° angle parking
Parallel parking

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Highway Engineering
The effect of grade on safe overtaking sight distance is

to increase it on both descending and ascending grades
to decrease it on descending grades and to increase it on ascending grades
to decrease it on both descending and ascending grades
to increase it on descending grades and to decrease it on ascending grades

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Highway Engineering
Length of a vehicle affects

width of traffic lanes
extra width of pavement and minimum turning radius
clearance to be provided under structures such as overbridges, under-bridges etc.
width of shoulders and parking facilities

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