Where are the busiest intersections in the Pima County region?

Pima Association of Governments’ Traffic Count program collects data from hundreds of intersections and roadway corridors throughout Pima County. The traffic count interactive map allows users to view the most recent data collections to see which streets in our region have the heaviest traffic volumes.

The data below show the intersections in Pima County that have the highest traffic counts based on peak morning hours of 7 to 9 a.m. and evening hours from 4 to 6 p.m.

Morning PeakVehicles
Swan Road and Golf Links Road12,693
Speedway and Kolb Road12,369
22nd Street and Kolb Road11,962 
Grant Road and Craycroft Road11,801
Grant Road/Kolb Road and Tanque Verde Road11,428
Valencia Road and Interstate 1911,264
Speedway and Wilmot Road11,064
Broadway and Kolb Road10,805
Grant Road and Swan Road10,731
Swan Road and 22nd Street10,644 

Evening PeakVehicles
22nd Street and Kolb Road14,228
Broadway and Kolb Road13,880
Speedway and Kolb Road13,809
Broadway and Wilmot Road13,606
Swan Road and Golf Links Road13,458
Grant Road and Craycroft Road13,158
22nd Street and Craycroft Road13,074
Broadway and Craycroft Road12,781
Speedway and Wilmot Road12,683
Campbell Avenue and Speedway12,652