Terwillegar Drive
| 170 Street SW | |
| Maintained by | City of Edmonton | 
|---|---|
| Length | 10.7 km (6.6 mi) | 
| Location | Edmonton | 
| North end | Whitemud Drive | 
| Major junctions | Rabbit Hill Road, 23 Avenue, Anthony Henday Drive, Windermere Boulevard, Ellerslie Road | 
| South end | 41 Avenue SW (city limits) | 
Terwillegar Drive is a developing freeway in south-west Edmonton, Alberta. It is under construction, with the majority of its intersection at-grade, it retains its arterial road status. Once completed, it will be the third freeway in Edmonton not to have a highway designation after Groat Road and Wayne Gretzky Drive. South of Windermere Boulevard the roadway goes by 170 Street SW.