Mayor Magrath Drive
| Maintained by | City of Lethbridge |
|---|---|
| Length | 6.8 km (4.2 mi) |
| Location | Lethbridge |
| South end | Highway 5 |
| Major junctions | Scenic Drive Crowsnest Trail (Highway 3) |
| North end | 5 Avenue N |
Mayor Magrath Drive is the busiest north–south roadway and the second busiest roadway overall in Lethbridge, Alberta. In 2011, it saw roughly 34,000 vehicles per day in weekday traffic. Most retail and hospitality establishments in the city are concentrated on this roadway, and it serves as a major transportation corridor for the city and region.