Route numbers

Every route has its own unique number. This is its main identifier. You’ll find this number on the signs at your stop, in your trip plan results and on the front of the vehicle. We choose these numbers to give information about where and when a route runs.

O-Train lines are numbered 1 to 4

Line 1 runs east–west from Blair Station to Tunney’s Pasture, through downtown. It is being extended east to Trim and west to Algonquin.

Line 2 runs north–south connecting Limebank Station with Bayview downtown

Future Line 3 will connect Trim in the east with Moodie in the West

Line 4 links South Keys on Line 2 to the Ottawa International Airport (YOW)

Numbers are organized geographically

The last two digits of a route number give information about its service area:

Numbers reflect service types

Some service types have their own ranges:

	Service type	Mode	Definition
	O-Train Lines		Rail service
200's	Connexion routes		Weekday peak-period, peak direction O-Train connections
300's	Shopper routes		Free weekly trips to and from the mall for rural communities
400's (under 450)	Event Service — Canadian Tire Centre		Direct service to the Canadian Tire Centre for major events
450's	Event Service — TD Place at Lansdowne		Direct service to Lansdowne for major events
600's	School routes		School-day custom service from home to school

Lettered routes

Here are other service types that include words or letters:

	Service type
	Rail replacement bus service
E1	Shuttle Express: Peak-period, peak-direction direct downtown supplement to O-Train Line 1
# For example: N98	Night service: Bus routes operating after the O-Train’s nightly closure
Sno-Bus	Special Winterlude weekend service to flagship festival destinations