International Municipal Signals Association
Welcome
IMSA is the oldest known association of its kind in the world.
It dates back to October 1896, when a group of municipal signal men from several east coast cities met in Brooklyn, New York and organized an association called the “International Association of Fire and Police Telegraph Superintendents.” Records indicate that the group met once a year thereafter and that committees were appointed which developed and submitted technical papers on pertinent subjects at these annual meetings.
The basic purpose of the organization was to keep its members and others in the profession, up-to-date on proper procedures of construction and maintenance of signal systems and informed on new products and equipment developments.
OTM Traffic Signal Design Course
The 2026 Traffic Signal Design Course will be held March 12–13, 2026 at the Holiday Inn Burlington Hotel & Conference Centre. This two-day program provides comprehensive training in Ontario traffic signal design standards and practices. View course details, registration deadlines, and requirements.
2026 IMSA Ontario Trillium Section Annual School
The 2026 Annual School will be held March 24–25, 2026 in conjunction with the IMSA Traffic Expo at the Holiday Inn Burlington Hotel & Conference Centre. Multiple two-day certification and training programs will be offered concurrently. View program details, registration deadlines, and requirements.
2026 IMSA Ontario Trillium Section Expo
The IMSA Ontario Trillium Section Expo will be held March 24–25, 2026 alongside the Annual School in Burlington, Ontario. The Expo offers vendors and industry partners an opportunity to connect with municipal professionals. Learn more about exhibitor participation and availability.
2026 IMSA Ontario Trillium Section Annual General Membership Meeting (AGM)
Information regarding the 2026 Annual General Membership Meeting will be posted as it becomes available.
Work Zone Equivalents
IMSA Ontario recognizes select third-party Work Zone training programs as meeting IMSA Ontario requirements. Currently accepted programs are delivered by the Infrastructure Health & Safety Association (IHSA) and the Ontario Traffic Council (OTC). Learn which programs are accepted and which are not.