Do’s:

- Turn on your headlights

- Listen to a local radio station

- Follow traffic signs and stay in lane

- Insert CashCard into IU in advance

Don’ts:

- Overtake, tailgate and cutting across lanes

- Stopping, unless there is an emergency

- Reversing your vehicle

For more do’s and don’ts, head over to https://www.motorist.sg/article/171/everything-you-need-to-know-about-tunnel-safety-in-singapore.