HIGHWAY ENGINEERING QUIZ

25 mm

50 mm

10 mm

100 mm

turn markings

stop lines

lane lines

crosswalk lines

0

3

7

5

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

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

based on allowable rate of change of centrifugal acceleration

smaller of (A) and (B)

based on rate of change of super elevation

higher of (A) and (B)

width of shoulders and parking facilities

width of traffic lanes

extra width of pavement and minimum turning radius

clearance to be provided under structures such as overbridges, under-bridges etc.

Benkelman beam method

group index method

CBR method

Westergaard method

10000

1000000

100000

1000

100 to 120 mm

75 to 100 mm

50 to 75 mm

20 to 25 mm

level crossing

no parking

overtaking prohibited

end of speed limit