Freeway Performance Metrics Home Page

Links

Example of the travel time graph

Measures the travel time for specific routes by time of day

Compare before and after project studies
Identify peak traffic periods
Measure corridor travel time reliability

Sample image of the speed report chart

Measures speed along a corridor by milepost

Compare traffic congestion by location
Identify choke points
Measure variances in traffic speeds over a period of time
Measure segment reliability

Mobility Cake Icon

Example of the Mobility Cake graph

Measures the amount of delay due to various causes by location

Compare contributors to delay by location
Evaluate effectiveness of weather mitigation (VMS boards, Snow removal, etc)
Evaluate effectiveness of incident management
Measure delay due to incidents
Measure the delay due to capacity
Identify bottleneck locations
Conduct before/after studies

Mobility Video

Example of the Freeway Delay graph

Show the cumulative delay on major corridors

I-15: MP 286 and MP 312 which represents Salt Lake County
I-15: MP 257 and MP 286 which represents Utah County
I-15: MP 312 and MP 348 which represents Davis & Weber Counties
I-215 CW and CCW
I-80 EB and WB
SR 201 EB and WB
Legacy NB and SB
Every Day including holidays, All day long, Monthl granularity

Freeway Reliability

Example of the Freeway Reliability graph

Show the reliability performance on UDOT's freeway system to observe the current status and trends.

I-15: MP 286 and MP 312 which represents Salt Lake County
I-15: MP 257 and MP 286 which represents Utah County
I-15: MP 312 and MP 348 which represents Davis & Weber Counties
I-215 CW and CCW
I-80 EB and WB
SR 201 EB and WB
Legacy NB and SB

FAQ

Freeway Performance Metrics Goal:

Provide objective traffic measures to help leaders make project-level decisions.