1 in 12 1in 20 1 in 30 1 in 15
Answer Discuss in Comment
red white green yellow
regulatory sign warning sign informatory sign none of the above
no parking overtaking prohibited level crossing end of speed limit
poor fair very poor good
75 to 100 mm 50 to 75 mm 100 to 120 mm 20 to 25 mm
lower edge towards the upper edge upper edge towards the lower edge sides towards the centre centre towards the sides
25 m to 30 m 18 m to 21 m 10 m 15 m
bituminous concrete mastic asphalt bituminous carpet sheet asphalt
Contraction Joints are spaced closer than expansion joints Dowel bars are provided in longitudinal joints Warping joints are provided to relieve stresses induced due to warping Longitudinal joints are provided in cement concrete roads to prevent longitudinal cracking
"Scientists dream about doing great things. Engineers do them."