SG Singapore Driver
Knowledge base Road rules 7 min read

Vehicle breakdown and the warning triangle

What Singapore’s Highway Code and current Traffic Police handbook say to do after a road breakdown, including hazard lights, warning-triangle placement, the separate heavy-vehicle warning-sign duty and its default court penalty, towing and tunnel recovery.

breakdown warning-triangle hazard-lights towing heavy-vehicles portable-warning-sign

Primary source: https://www.police.gov.sg/-/media/SPF/Knowledge-Hub/Traffic/BT-ENG-24126.pdf

You must not leave a broken-down or wrecked vehicle on a public road. If your vehicle breaks down, push it into a breakdown bay if there is one; otherwise push it as close to the side of the road as possible. Arrange for it to be towed away immediately so it does not obstruct traffic (SSO, Highway Code r. 94). Statutory conditions for towing a disabled vehicle are summarized in Mechanical emergencies while driving.

The current Basic Theory of Driving handbook also says to switch on the hazard warning lights even during daylight and place a reflective warning triangle at least 20 metres behind the vehicle (SPF, Basic Theory of Driving). OneMotoring’s vehicle-breakdown sign caption gives the same minimum distance (OneMotoring, Driving Rules and Information).

The handbook says not to drive, move or stop on a road shoulder or verge unless there is a breakdown, accident or emergency (SPF, Basic Theory of Driving).

Towing a broken-down vehicle

If a motor vehicle is towing a broken-down vehicle with all its wheels on the road, the broken-down vehicle must be in the charge of someone who holds a valid driving licence for it, and its brakes and steering must let that person control its speed and direction. If it is connected by a rigid tow bar, its brakes need not be working only when the towing vehicle's driver can control the speed of both vehicles. Any vehicle being towed must display a notice reading “On Tow” in letters 150 millimetres high at its rear (Singapore Statutes Online, Road Traffic (Motor Vehicles, Construction and Use) Rules, r. 119(4)–(6)).

Portable warning sign for heavy motor vehicles

The Road Traffic Rules separately require a heavy motor vehicle to carry a portable warning sign of a type approved by the Deputy Commissioner of Police when driven on a road. For this rule, “heavy motor vehicle” means a motor vehicle whose unladen weight exceeds 2,500 kg. If such a vehicle is broken down or disabled and standing on a road, its driver or person in charge must promptly place that portable warning sign at least 20 metres behind it, where it gives a visible warning to drivers of other vehicles (Singapore Statutes Online, Road Traffic Rules, rule 33).

This is a separate statutory duty from the handbook's general advice for a motorist to place a reflective warning triangle after a breakdown. Rule 33 requires an approved type of portable warning sign; the cited provision does not describe its physical design (Singapore Statutes Online, Road Traffic Rules, rule 33; SPF, Basic Theory of Driving).

Rule 33 does not specify a penalty. Read with Road Traffic Act section 131, failure without lawful excuse to comply with the rule is an offence; where no special penalty is provided, the court maximum is a fine of $1,000 or imprisonment for 3 months, or both, for a first offence, and a fine of $2,000 or imprisonment for 6 months, or both, for a second or subsequent offence. These are court maxima, not a published composition amount (Singapore Statutes Online, Road Traffic Rules, rule 33; Singapore Statutes Online, Road Traffic Act 1961, section 131).

Expressways and tunnels

If your vehicle breaks down on an expressway, stop on the road shoulder if possible, switch on the hazard lights and call LTA at 1800-2255-582. Give your location and direction of travel, using a nearby kilometre marker, lamppost number or slip road to identify it. Stay downstream from the vehicle and behind the vehicle impact guardrail if possible; do not attempt repairs on the expressway. If it is unsafe to leave the vehicle or you cannot reach the shoulder, stay inside and call for help. The EMAS recovery team will tow the vehicle to the nearest designated car park; parking charges apply while it waits there for your towing provider (LTA OneMotoring, Driving on Expressways & in Tunnels).

In a tunnel breakdown, stop on the shoulder where possible, switch on hazard lights, and call for help using the nearest SOS phone beside the left-most lane or by calling LTA at 1800-2255-582. The EMAS team will tow the vehicle to the nearest designated car park. Move to the raised platform on the shoulder downstream of the vehicle and watch for oncoming traffic. Do not attempt repairs in the tunnel. If it is unsafe to leave the vehicle, or you cannot get it to the shoulder, stay inside and call for help; you may be guided to leave through the nearest escape staircase when it is unsafe to remain in the tunnel (LTA OneMotoring, Driving on Expressways & in Tunnels). More expressway and tunnel rules are in expressway-and-tunnel-rules.

After an accident, the handbook advises motorists to avoid unauthorised tow-truck operators or repair workshops and call their insurer’s hotline for a tow truck (SPF, Basic Theory of Driving). Accident reporting is covered in reporting-a-traffic-accident.

Coverage debt

  • SPF’s current penalties table groups “Insufficient warning signals” with other offences that have no demerit points and composition fines of $100 for light vehicles and $150 for heavy vehicles. It does not say whether failure to place a warning triangle falls under that row, and it does not list a separate triangle offence (SPF, Penalties for Traffic Offences).
  • The current SPF composition-fine table does not identify a distinct towing-related row. This article does not infer a composition fine or demerit-point amount for a breach of the towing requirements from that table (SPF, Penalties for Traffic Offences).
  • Rule 33 requires a portable warning sign of a type approved by the Deputy Commissioner of Police; this article does not identify or illustrate an approved sign design (Singapore Statutes Online, Road Traffic Rules, rule 33).

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