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Traffic Management

 

Raised pavement markers

Purpose

  • Used to increase visibility and improve awareness of adjacent road line markings, traffic devices and road side items
  • Provide day and night visibility during adverse weather conditions
  • Provide noise and audible warning for vehicles when crossed
  • Improve road safety by providing directional cues for motorists along path of travel

Different types of Raised Pavement Markers

  • Used to divide centre of the road and outline painted medians
  • Used with line marking that divides parking spaces on the left hand side of road and the travel lane
  • Used to divide all road lane lines
  • To identify locations of existing fire hydrants on the side of the road for the fire brigade
Road humps

Purpose

  • Reduce vehicle speeds by causing discomfort when vehicles are driving in excess of the design speed of the hump
Traffic islands

Purpose

  • Channelization of vehicles and reduce speeds  by narrowing the width of the road
Chicanes/Slow Points

Purpose

  • Slow points are mid-block traffic islands that narrow the roadway to break-up the continuity of the street to reduce vehicle speeds
Roundabouts

Purpose

  • Roundabouts reduce vehicle speeds, conflicts and simplifies the allocation of priorities for vehicle movement.
Pedestrian crossings

Purpose

  • A device that enables a point where pedestrians can cross the road and have priority over vehicles on the roadway. A pedestrian crossing imposes a legal requirement on vehicular traffic to give way to pedestrians and improves safety for pedestrians
Pedestrian refuge islands

Purpose

  • Refuge islands are used where there is a need to provide a place of safety for a concentration of pedestrians in circumstances where it is difficult to cross the full width of a roadway in one stage.
Traffic Lights

Purpose

  • To facilitate the safe and efficient movement of vehicles on roads that have high traffic flow and to prevent conflict between the movements
  • To facilitate pedestrian movements on roads that have high traffic flow
Light Thoroughfare Roads

Purpose

  • To improve local amenity of the street by restricting heavy vehicle access
  • To prevent the use of trucks using streets as short-cut routes to main roads
  • To prevent damage to and ensure good condition of the road