Statistics:

Length:
14 km
Termini:
Eastern: WestConnex (M4), Leichhardt
Western: South Western Mwy (M5), Kingsgrove
Suburbs, Towns & Localities Along Route:
Kingsgrove, Bexley North, Bardwell Park, Bardwell Valley, Arncliffe, Tempe, St Peters, Newtown, Camperdown, Annandale and Leichhardt

Route Numbering:

Current: M8
XX
Road Authority Internal Classification: 1
6013

General Information:

The M8 is a motorway grade route that links Sydney's southern and western suburbs. It is a completely underground route, bypassing numerous roads and suburbs, some of which are notorious for traffic congestion.

The route is tolled via distance-based tolling, and requires users to either have a e-tag attached to their vehicle or to have a single-use account set up for billing. The tunnels are open for use by cars and heavy vehicles; such as trucks, buses and coaches.The route consists of twin tunnels with 2 to 4 lanes in each direction.

History:

July 2020: The WestConnex M8 opened to traffic. 2
Click or tap the map to enable panning and zooming

Leichhardt to Kingsgrove

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Advance Directional Sign:

AD sign on O'Riordan St approaching Robey St, Joyce Dr, Sir Reginald Ansett Dr and Qantas Dr, Mascot, August 2025.

Image © Paul Rands

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Advance Directional Sign:

AD sign on O'Riordan St at the junction with Robey St, approachng Joyce Dr, Sir Reginald Ansett Dr and Qantas Dr, Mascot, August 2025.

Image © Paul Rands

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Intersection Directional Sign:

ID sign at the corner of O'Riordan St and Robey St, Mascot, August 2025.

Image © Paul Rands

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Intersection Directional Sign:

ID sign at the corner of O'Riordan St Joyce Dr, Sir Reginald Ansett Dr and Qantas Dr, Mascot, August 2025.

Image © Paul Rands

Click or tap here for the continuation of WestConnex as M4 between Leichhardt and Lapstone
1 NSW Government, Transport for NSW, Schedule of Classified Roads and Unclassified Regional Roads, Version 16, February 2023.
1 Linkt, Roads, WestConnex M8.