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Keith Vodden Dr. Douglas Smith - Transports Canada

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Analysis and Estimation of the Social Cost of Motor Vehicle Collisions in Ontario<br />

These three separate components of costs are calculated as described in the<br />

following chart.<br />

Traffic<br />

Delay<br />

Time Lost X Value of time $ Lost Time<br />

Idling<br />

Time Fuel Fuel $ Extra<br />

Detour Use<br />

X =<br />

Cost Fuel<br />

Time<br />

Environment $ Extra<br />

X<br />

=<br />

Cost<br />

Pollution<br />

=<br />

$ Cost of<br />

Delay<br />

a) Traffic Delays<br />

COMPASS is an Advanced Freeway Traffic Management System developed by<br />

the Ontario Ministry of Transportation (MTO) to respond to traffic congestion problems,<br />

primarily on Ontario’s divided highways. COMPASS helps increase roadway efficiency<br />

and roadway safety by:<br />

• Allowing for the prompt detection and removal of freeway incidents and vehicle<br />

breakdowns.<br />

• Providing accurate and timely freeway incident and delay information to<br />

motorists.<br />

• Effectively managing peak rush hour traffic flow through a variety of traffic<br />

control devices.<br />

In this project, we have used data from the Toronto COMPASS system on delays<br />

as a critical data input. We have used COMPASS data from the MTO Toronto system<br />

(there are two other COMPASS systems in Burlington and Ottawa) covering the major<br />

Highway 401 from Highway 410 to Brock Road. These data are then extrapolated to the<br />

entire Province on the basis of population data that we assume are related to traffic<br />

volumes.<br />

For 2004, the major Toronto COMPASS major incidents were reviewed. This<br />

was a total of 246 cases. A major incident is defined as involving a fatality or life-<br />

38 TNS Canadian Facts, Social and Policy Research

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