Ottawa-Carleton Regional Transit Commission route R4

R4 'South Keys/Airport' Number of Branches 1 Types of vehicles used n/a Garage n/a

Route R4 is a bus route operated by OC Transpo in Ottawa, Ontario, Canada.

Route Details

Full map of R4 Service

Route R4 is the replacement bus for when O-Train Line 4 is not running. It does not run a specific route as it is only used in between stations that have a disabled train(s) in between, or when a section of Line 4 is closed for maintenance.

History

March 29th, 2025

• Route is introduced as the transition to full Line 2 and Line 4 service is complete. It will only run when sections of Line 4 is closed.

Previous route maps

March 2025

Points of Interest/Popular Locations

• South Keys Shopping Centre
• E.Y. Centre
• Ottawa International Airport

O-Train Replacement v·d·e Active routes E1 - R1 - R2 - R4 Inactive routes B2 - S1 - 2 - 107 - 740 - 741 - O-Bus Ottawa-Carleton Regional Transit Commission (OC Transpo) v·d·e Routes v·d·e CURRENT ROUTES/CLASSIFICATIONS O-Train Line 1 - Line 2 - Line 4 O-Train Replacements E1 - R1 - R2 - R4 Frequent 5-7, 10-12, 14 - 25 - 39 - 40-41, 44-45 - 57 - 61-63, 68 - 74-75 - 80, 85, 87-88 - 90, 98 - 105 - 111 Local 1-19 - 20-29 - 30-39 - 40-49 - 50-59 - 60-69 - 70-79 - 80-89 - 90-99 - 110-119 - 120-129 - 130-139 - 150-159 - 160-169 - 170-179 - 180-189 - 190-199 Connexion 220-229 - 230-239 - 250-259 - 260-269 - 270-279 - 280-289 - 290-299 Shopper 301-305 Events (Canadian Tire Centre) 404-406 Events (TD Place/Landsdowne) 450-452 - 454-456 Rural partner 500-599 School 5-199 - 600-609 - 610-619 - 620-629 - 630-639 - 640-649 - 650-659 - 660-669 - 670-679 - 680-689 - 690-699 Employee shuttles 800-899 - 900-999 INACTIVE ROUTES/CLASSIFICATIONS O-Train Replacements B2 - S1 - 2 - 107 - 740 - 741 - O-Bus Regular & Regular Limited Service 1-19 - 20-29 - 30-39 - 40-49 - 50-59 - 64 & 66 - 80-89 - 91-93 & 96 - 100-109 - 110-119 - 120-129 - 130-139 - 140-149 - 150-159 - 160-169 - 170-179 - 180-189 - 190-199 Rapid 39 - 45 - 57 - 61-63 - 74-75 - 97-99 Peak Period 6 - 10 - 11 - 13 - 15 - 19 - 24 - 29 - 40-49 - 50-51 - 55-57 - 67 - 82 - 86 - 102-103 - 107-108 - 119 - 133 - 136 - 140 - 155 - 157-158 - 162-163 - 167 - 169 - 179 - 180-189 - 190-199 Express 20-29 - 30-39 - 45 - 59 - 60-66 - 68-69 - 70-78 - 90 Rural Express & Shopper 200-205 - 221-222 - 228 - 245 - 261-263 - 283 - 296 CommuniBus 306 - 316 - 356 O-Train & Peak Period Connector 700-799 Early morning 800-899 Sunday Orange Routes A1-E8 Shuttle Routes Amberwood, Manotick, Stittsville and West Ridge Services in Gatineau v·d·e Société de transport de l'Outaouais (STO)