New safer speed technology in Nar Nar Goon

We’re improving safety at intersections across Victoria, as part of Towards Zero. Side road activated speed technology is being installed to reduce the risk of crashes, without permanently lowering speeds.


We’re installing new technology at the intersection of the Princes Highway and Snell Road in Nar Nar Goon North. Works will commence in early October and will be completed in stages over three months.


Side road activated speed signs are a new type of technology that improves safety at high-risk intersections, without permanently lowing the speed limit. See how the technology works by watching the video below.

Learn more about side road activated speeds at the Safer Roads website.

How this could impact you

Works will commence in early October, with crews working at various times between 7am and 7pm from Monday to Sunday.

To protect both workers and drivers, the speed limit will be temporarily reduced with traffic management in place on both Snell Road and the Princes Highway to safely guide you through the worksite. 

If you are travelling through the area, please keep an eye out for signs and allow up to 10 minutes extra in your travel time.


During the past five years, 70% of fatal intersection crashes in regional Victoria happened on high-speed roads.

Intersections in regional areas have a greater risk due to higher travel speeds, particularly where small side roads meet main roads.


Side road activated speeds will increase safety at some of Victoria’s highest risk intersections by:

  • instructing drivers on the main road to slow down if there are other vehicles approaching from side roads or waiting to turn right from the main road at the intersection
  • giving drivers on the main road more time to react if side traffic fails to give way
  • giving drivers on side roads more time to assess gaps in traffic and enter the main road safely
  • letting drivers know they’re approaching an intersection, which will prepare them for any merging traffic
  • significantly reducing the severity of crashes due to the reduced speed limit when traffic is merging from side roads.

A similar program in New Zealand has reduced serious and fatal crashes at intersections by 89% since 2012

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