They are at: Commonwealth Avenue (from Queensway to North Buona Vista Road), Commonwealth Avenue West (from North Buona Vista Road to Clementi Avenue 6) and Queensway (from Mei Chin Road to Commonwealth Avenue).

All the bus lanes will run in both directions, and will operate during the weekday peak hours from 7.30am to 9.30am, and from 5pm to 8pm.

A motorist caught driving in a bus lane during its operation hours can be fined $130.