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Black spots

Black spots are road locations that have a record of large numbers of crashes. There are often common problems at these sites which can be treated with engineering methods.

Examples of problem solving for intersection-related crashes:

  • conversion of unsignalised cross intersections to roundabouts
  • new or revised traffic signals
  • grade separation
  • staggered cross intersections
  • extension of median through intersections (turn prohibited)
  • provision of protected right turn facilities.

Examples of problem solving for non-intersection-related crashes:

  • central median to divide the road
  • pedestrian facilities
  • shoulder sealing
  • removal and/or shielding of roadside hazards
  • road delineation
  • overtaking lanes.
Last updated
19 July 2017