National Road Transport Association
The M1 Princess Motorway northbound from Cawleys Road at Helensburgh to Waterfall will be closed from Sunday 16 October, between 7pm and 5am, Sunday to Thursday for about two weeks, due to maintenance work.
A detour will be in place for light and heavy vehicles, with a height limit of five metres, via the Old Princes Highway. Please allow up to an additional 10 minutes travel time.
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