Motorists are being cautioned about a widespread mistake at traffic lights that could result in a £100 penalty. Driving specialists at MoneySuperMarket have highlighted that numerous drivers don’t know the regulations concerning Advanced Stop Lines (ASL).

ASLs, also known as cycle boxes, are intended as safe zones for cyclists and can be identified by their white lines and bicycle symbols. Yet, many drivers don’t realise that encroaching into or stopping in a cycle box when the light is red might lead to a fine and points on their licence.

The Highway Code’s rule 178 states: “Motorists, including motorcyclists, MUST stop at the first white line reached if the lights are amber or red and should avoid blocking the way or encroaching on the marked area at other times, e.g. if the junction ahead is blocked.”

As a result, drivers found inside a cycle box at a red light risk a £100 fine and three points on their driving licence, regardless of whether they’re in a car, on a motorbike, or riding a scooter. But there are certain exceptions to this rule that drivers need to be aware of.

Rule 178 also specifies: “If your vehicle has proceeded over the first white line at the time that the signal goes red, you MUST stop at the second white line, even if your vehicle is in the marked area.” So, if the traffic lights change and it’s safer to stop inside the box rather than brake suddenly, drivers are allowed to do so. Drivers are also allowed to stop in a cycle box if they can’t clear the area before the light turns red.

ASLs being blocked can endanger cyclists and increase the chance of accidents as they may need to navigate around vehicles. Alicia Hempsted from MoneySuperMarket advises: “Busy junctions can be stressful, especially when you’re driving in areas that you’re less familiar with.

“If you’re approaching a set of traffic lights, reducing your speed early can give you extra time to survey the situation. This can help keep other road users safe and save money by avoiding a fine and higher insurance premiums if you get points on your licence.”

MoneySuperMarket offers guidance on spotting and handling ASLs:

  • ASLs are frequently found at busy junctions.
  • Decelerate well before reaching traffic lights to prevent sudden stops or crossing the line.
  • Always stop at the initial white line unless it’s unsafe.
  • Allow cyclists plenty of space and time to begin moving.

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