6 May 2026

Night roadworks to close Mt Ousley Road plus M1 Motorway from Figtree to Dapto

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Detour ahead sign

Motorists will need to detour around road closures on Mt Ousley Road and the M1 Princes Motorway next week. Photo: georgeclerk.

The M1 Princes Motorway will be closed in both directions from Figree to Dapto for night work from Sunday (10 May).

Motorists will need to detour around the busy freeway from Masters Road at Figtree to the Princes Highway at Dapto from Sunday night to the early hours of Friday morning (15 April), weather permitting.

The road will be closed from 8 pm to 4 am for general maintenance work.

Light vehicles can detour via the Princes Highway, adding about 20 minutes to travel time.

Heavy vehicles will detour via Masters Road, Springhill Road, Five Islands Road, King Street, Windang Road and Lake Entrance Road.

Traffic controllers will be on-site to direct motorists.

For more information visit Live Traffic.

Detour map

Detours will be in place from 10 to 14 May. Image: Transport for NSW.

Meanwhile, Mt Ousley Road between Gaynor Avenue and the M1 Motorway will be closed for the weekend from midnight on Friday (8 May).

The road will remain closed until 4 am on Monday 11 May, weather permitting, for work to be carried out as part of the Mt Ousley Interchange project.

Detours will be in place via the Princes Highway, Memorial Drive and University Avenue and motorists should allow up to five minutes additional travel time.

READ ALSO M1 Motorway, Picton Road closed for rescheduled work on Mt Ousley Interchange

Local access to Mt Ousley Road between the Princes Highway and Gaynor Avenue will be maintained.

The southbound University Avenue ramp will be temporarily widened to 4.5 m to facilitate access to the University Avenue overpass for southbound heavy vehicles over 4.6 m high.

Northbound heavy vehicles over 4.9 m high will be parked up and escorted through the work site when conditions permit. Delays of up to two hours should be expected.

Further closures are planned for between Friday 22 and Monday 25 May, weather permitting.

For more information visit Live Traffic.

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