Ontario Traffic Control Resources
The Ontario Traffic Manual (OTM) books that govern temporary work zones, lane closures, detours and pedestrian accommodation with what each one means for your Traffic Control Plan.
5 Books
OTM Books referenced (1, 5, 6, 7, 11)
Book 7
Primary manual for temporary conditions
MTO
Sourced from the Ministry of Transportation
2022
Current edition of OTM Book 7
Temporary Conditions
Sets out signage, taper lengths, buffer zones and device placement for short and long-term work on Ontario roads. This is the manual most reviewers check first on any submitted Traffic Control Plan.
Introduction to Traffic Control Devices
Establishes the general principles behind sign design, placement and consistency that every other OTM book builds on.
Regulatory Signs
Covers temporary speed reductions and regulatory postings within a work zone.
Warning Signs
Governs advance warning signage leading into a work zone - spacing and sequencing here is one of the first things a site inspection checks.
Pavement, Hazard & Delineation Markings
Sets requirements for temporary line markings and delineators including how pedestrian and cyclist routes must be maintained through a work zone.
-
1. Is the 2014 edition of Book 7 still valid?
No, The April 2022 edition is current and applies to new projects. The transition to the 2022 edition has also been communicated to the Ministry of Labour, Training and Skills Development.
-
2. Do municipal road authorities in Ontario use OTM Book 7 directly?
Many do, but some including larger cities layer on their own supplementary standards. Confirm with the specific municipality before finalizing a plan.