Where is I-15 busiest? What time of day has most traffic? Answers to your questions about Utah’s busiest roadway.
If you are able to plan ahead, you can avoid chokepoints and rush hours.
(Trent Nelson | The Salt Lake Tribune)
Interstate 15, looking south from 3900 South in South Salt Lake, in 2019. The state collects plenty of data about traffic patterns on Utah's busiest freeway.