Left Turn Audible Systems

Audible warnings systems alert VRUs and other road users to a vehicle’s intended manoeuvre. Warnings for a vehicle’s left turn are particularly important as the nearside blind spot on right hand drive vehicles presents one of the greatest areas of risk to cyclists.

Audible warning devices should be fitted with push to silent for circumstances, such as working between 23:30 and 07:00, where it may be appropriate or necessary to deactivate the device.

Left turn system

  • The system shall be fitted to the front nearside of right hand drive vehicle
  • The system should activate when the driver switches on their indicator at a low speed (less than 20 mph)
  • The system should sound a voice message indicating that the vehicle is turning left

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