BTT Lane Discipline

Question 1

On a three-lane road in Singapore, what is the right-most lane primarily used for?

Accepted Answer

Overtaking only

Answer

The right-most lane is the overtaking lane. Drivers should use it to pass slower vehicles and return to the left lane once overtaking is complete.

Question 2

What is 'lane straddling'?

Accepted Answer

Driving with wheels on two lanes simultaneously

Answer

Lane straddling is when a vehicle drives with its wheels on or across the lane markings, occupying parts of two lanes simultaneously. This is dangerous and illegal.

Question 3

Before changing lanes, what is the correct sequence of actions?

Accepted Answer

Mirror, signal, mirror (blind spot), move

Answer

The correct sequence is: check mirrors, signal your intention, check mirrors again including blind spots, then move when safe.

Question 4

When driving on a two-lane road, which lane should you normally occupy?

Accepted Answer

The left lane

Answer

In Singapore, the left lane is the normal driving lane. The right lane should be used primarily for overtaking.

Question 5

What does a solid white line between lanes mean?

Accepted Answer

Lane change is discouraged — stay in your lane

Answer

A solid white line between lanes discourages lane changing. While not absolutely prohibited, you should remain in your lane unless necessary.

Singapore BTT Practice Test

Singapore BTT Practice Test

BTT Lane Discipline