Rear Cross Traffic Alert

  • Published: Bosch, 2017
  • Authors: Bosch
  • Date Added: 21 Aug 2017
  • Last Update: 21 Aug 2017
  • Format: html




Informative website to explain the system to the reader

Key Claims:

  • The system works by identify any traffic that may be passing across the rear of a vehicle. This is especially advantageous when reversing out of a parking space, and the view of the driver is obstructed.

  • The system uses two mid-range radar sensors in the rear of the vehicle. They measure and interpret the distance, speed and anticipated driving path of vehicles detected in cross traffic.

  • If the function detects vehicles crossing to the left or right behind the driver’s vehicle with a range of 50 meters, an audible and/or visual warning is used to alert the driver of the risk.


Collision warning, active safety, visibility


There is no evidence for the effectiveness of this system. However, in principal, if offers an effect counter measure against reversing into oncoming traffic.