Length:

28 km

Termini:

Northern: South Gippsland Hwy (M420 and unnumbered) and South Gippsland Fwy (M420), Lynbrook

Southern: Frankston-Flinders Rd (C777), Western Port Hwy (C777) and Denham Rd, Tyabb

Suburbs, Towns & Localities Along Route:

Tyabb, Somerville, Pearcedale, Langwarrin, Cranbourne South, Cranbourne West, Skye, Dandenong South, Lyndhurst and Lynbrook

Current: M780 A780

Former: 65

Road Authority Internal Classification: ¹

6230

General Information:

M780 / A780 is an arterial route in Melbourne's outer southeastern suburbs. Western Port Highway (also known as Dandenong-Hastings Road) is the main link between the South Gippsland Freeway at Lynbrook in the north and Hastings in the south.

The route is a mix of freeway standard dual carriageway, suburban arterial dual carriageway and urban single carriageway road.

2007: Work commences on road duplication between Cranbourne-Frankston Road and North Road in Langwarrin for 4.2 km. ²

2009: Completion of the duplication works between Cranbourne-Frankston Road and North Road in Langwarrin. The upgrade included new roundabouts at North Road and Browns Road. ²

This page concentrates on the former alignment between Tyabb and Lynbrook

Tyabb to Lynbrook

Advance Directional Sign:

AD sign at Somerville on Bungower Rd, September 2006.

Image © Rob Tilley

Bungower Road & Western Port Highway Junction:

Corner of Bungower Rd and Western Port Hwy (A780). This junction has since been upgraded to a roundabout, September 2006.

Image © Rob Tilley

Advance Directional Sign:

AD sign at Cranbrook South approaching the Cranbourne-Frankston Rd (MR4) roundabout, September 2006. This section of road is now dual carriageway.

Image © Rob Tilley

Lynbrook to Tyabb

Intersection Directional Sign:

Southbound at roundabout with Cranbourne-Frankston Rd (MR4) at Cranbourne South, September 2006. This section of road is now dual carriageway.

Image © Rob Tilley

Distance Sign:

Southbound RD sign at Cranbourne South after the roundabout with Cranbourne-Frankston Rd (MR4), September 2006. This section of road is now dual carriageway.

Image © Rob Tilley

Approaching North Road Intersection:

Western Port Hwy (A780) approaching North Rd at Cranbourne South, September 2006. This section of road is now dual carriageway.

Image © Rob Tilley

¹ VIC Government, VicRoads, Road Management Plan 2020-2021, 07 December 2020.
² VIC Government, The Victorian Transport Plan, Western Port Highway Duplication.