What is the ruling radius of a horizontal curve on a National Highway in plain terrain?

• 150 m

• 230 m

• 360 m

• 450 m

The camber provided on a highway is mainly for:

• Vehicle stability

• Drainage

• Aesthetics

• Comfort

The minimum sight distance required for a vehicle to stop safely is called:

• Overtaking sight distance

• Stopping sight distance

• Headlight sight distance

• Intermediate sight distance

The maximum super-elevation allowed for highways in India as per IRC is:

• 5%

• 7%

• 10%

• 12%

The width of a single-lane road as per IRC recommendations is:

• 3.0 m

• 3.5 m

• 4.0 m

• 4.5 m

Which of the following factors does NOT affect sight distance?

• Speed of vehicle

• Gradient of road

• Width of road

• Reaction time of driver

The minimum headlight sight distance is required for:

• Urban roads

• Expressways

• Hill roads

• Night driving

Transition curves are used to:

• Increase road aesthetics

• Reduce centrifugal force gradually

• Improve visibility

• Increase superelevation suddenly

The extra widening required for a curve of radius 50 m on a two-lane highway is approximately:

• 0.5 m

• 1.0 m

• 1.5 m

• 2.0 m

The shoulder width recommended for a two-lane highway is:

• 1.5 m

• 2.0 m

• 2.5 m

• 3.0 m