M4 Smart Motorway Project – Stage 2

The NSW Government is investing $470 million to build the M4 Smart Motorway project, which will introduce intelligent technology to the M4 Motorway between Pitt Street, Mays Hill and Russell Street, Lapstone.

Key Features of Stage 2

  • Installation of maintenance bays, vehicle detection loops, emergency phones and upgrades to power and communications infrastructure
  • Installation of variable message signs, traffic sensors, CCTV, and speed and lane use signs between Pitt Street and Cumberland Highway
  • Realignment, extension and widening of ramps at Burnett Street, Coleman Street and Cumberland Highway, and installation of ramp meters and ramp control signs
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