HIGHWAY ENGINEERING QUIZ

sheet asphalt

mastic asphalt

bituminous concrete

bituminous carpet

overtaking prohibited

end of speed limit

level crossing

no parking

reduces right angled collisions but may increase rear end collisions

reduces rear end collisions but may increase right angled collisions

reduces right angled and rear end collisions

increases right angled and rear end collisions

98 “”percentile

85th percentile

15th percentile

50 “”percentile

preliminary survey, map study, reconnaissance and detailed survey

map study, preliminary survey, reconnaissance and detailed survey

map study, reconnaissance, preliminary survey and detailed survey

reconnaissance, map study, preliminary survey and detailed survey

60m

30m

120m

180m

stopping distance

two times the stopping distance

three times the stopping distance

half the stopping distance

greater than b/2h and also greater than coefficient of lateral friction

less than b/2h and also less than co-efficient of lateral friction

greater than b/2h and less than co-efficient of lateral friction

less than b/2h and greater than co-efficient of lateral friction

20%

75%

25%

15%

1 in 8’/2

1 in 16

1 in 20

1 in 12