OC Transpo routes

OC Transpo is a public transit commission that operates 170 bus routes, two light rail lines, and a paratransit system in Ottawa and the National Capital Region.

General information
The last two digits of route numbers correspond to service area:
 * 00s and 10s – Central
 * 20s – Gloucester
 * 30s – Orléans
 * 40s – Alta Vista
 * 50s – Ottawa West
 * 60s – Kanata/Stittsville
 * 70s – Barrhaven/Riverside South
 * 80s – Nepean
 * 90s – South Keys/Greenboro

NOTE: Routes with a white background operate during select time periods or certain days of the week only. The above is current as of June 21, 2022.

Routes
Note: services updated as of May 24, 2024.

A major route overhaul and changes in the network will occur in 2024 due to the opening of line 2 and 4, marketed as "New Ways to Bus". Most existing routes will see changes, with some routes being taken out completely. There will also be many new routes added to accommodate the changes.

School trips
These trips provide service to/from various middle and high school for students enrolled in such schools.

Regional Partner Routes
These routes are operated by private bus companies on behalf of OC Transpo. Fares differ by operators, as well as levels of service. Route 505 is considered an event route and is operated by OC Transpo.