Mississauga Transit operates a number of express bus routes. Most of these are rush hour routes. Officially, only the 100-series routes are "Express", but there are other routes that skip stops and have long highway portions.
- 11 - Westwood (runs all day)
- 70 - Keaton
- 71 - Sheridan-Subway
- 88 - Wonderland (seasonal)
- 87 - Meadowvale-Skymark
- 101 - Dundas Express
- Brampton Transit's 502 - Zum Main (runs all day)
- 103 - Hurontario Express (runs all day)
- 107 - Malton Express
- 108 - Meadowvale Business Express
- 109 - Meadowvale Express
- 110 - University Express (runs all day)
- 201 - Dundas