# Marion Road

Marion Road is a north–south arterial road through the western suburbs of Adelaide, South Australia, named after its traversal through the suburb of Marion and the local government area of City of Marion. It is designated part of route A14.

## Route

Where it terminates in Bedford Park, southwest of Adelaide's centre, Marion Road feeds into the Southern Expressway near the northern starting point of that road.
At its northern end, Marion Road terminates at Henley Beach Road. Route A14 continues west on Henley Beach Road for about 250 metres. It then travels north along the entire length of Holbrooks Road. At Grange Road it take a 50-metre dog leg to the east. It then continues north along the entire length of East Avenue until it ends at Port Road.
The Glenelg tram line has a level crossing in Plympton between Anzac Highway and Cross Road. The crossing in close proximity to two major intersections sometimes causes congestion during peak times, and has been the subject of political attention to convert the intersection with the tram line into an overpass. In April 2023, it was announced that the crossings would be grade separated in 2024. Just south of the intersection of Oaklands and Daws Road, the Seaford railway line has an overpass over Marion Road.

## Major intersections

| LGA | Location | km | mi | Destinations | Notes |
| West Torrens | Underdale–Torrensville–Brooklyn Park tripoint | 0.0 | 0.0 | Henley Beach Road (A14 west, unallocated east) – Henley Beach, Fulham, Mile End | Northern terminus of road, route A14 heads west along Henley Beach Road |
| West Torrens | Brooklyn Park–Cowandilla boundary | 0.9 | 0.56 | Sir Donald Bradman Drive (A6) – West Beach, Adelaide CBD, Adelaide Airport | |
| West Torrens | West Richmond–Richmond–Netley–Marleston quadripoint | 2.0 | 1.2 | Richmond Road – Keswick, to Greenhill Road (R1) – Wayville, Eastwood | |
| West Torrens | Plympton | 4.4 | 2.7 | Anzac Highway (A5) – Glenelg, Adelaide CBD | |
| West Torrens–Marion boundary | Plympton–Plympton Park–South Plympton tripoint | 4.7 | 2.9 | Glenelg tram line | Glenelg tram line |
| Marion | Plympton Park–South Plympton boundary | 4.8 | 3.0 | Cross Road (A3) – Unley Park, Glen Osmond | |
| Marion | Ascot Park–Park Holme boundary | 7.7 | 4.8 | Oaklands Road (west) – Somerton Park Daws Road (east) – Daw Park | |
| Marion | Ascot Park–Mitchell Park–Marion tripoint | 7.9 | 4.9 | Seaford railway line | Seaford railway line |
| Sturt River | Sturt River | 9.4 | 5.8 | Bridge over the river (bridge name unknown) | Bridge over the river (bridge name unknown) |
| Marion | Marion–Mitchell Park–Sturt–Bedford Park quadripoint | 10.3 | 6.4 | Sturt Road – Brighton, Tonsley | |
| Marion | Sturt–Bedford Park boundary | 11.1 | 6.9 | Southern Expressway (M2) – Reynella, Old Noarlunga | |
| Marion–Onkaparinga boundary | Sturt–Bedford Park–Darlington tripoint | 11.3 | 7.0 | Main South Road (A13 north-east, south-west) – St Marys, Old Reynella Flagstaff Road (south) – Adelaide, Noarlunga, Happy Valley | Southern terminus of road and route A14 |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Route transition ||||||

## Tram stop

Marion Road is also the location of a stop on the Glenelg tram line.
| Preceding station | Adelaide Metro | Adelaide Metro | Adelaide Metro | Following station |
| South Plymptontowards Royal Adelaide Hospital, Adelaide Entertainment Centre or Festival Plaza | | Glenelg tram line | | Plympton Parktowards Moseley Square |