CENTERVILLE, Utah — Drivers stuck in traffic for hours have the heat to blame after part of Interstate 15 buckled Thursday afternoon.

UDOT crews got to work on the damaged roadway, closing down all but one northbound lane just after 2 p.m. The backup continued well into the evening commute.

UDOT spokesperson Mitch Shaw said the crumbled chunks of concrete could make for a dangerous commute for drivers going freeway speeds.

“It is a bump in the road and obviously when you’re driving on the freeway you expect it to be a smooth surface,” Shaw said. “We don’t want people driving on the road when there is a pavement buckle like this.”

Crews worked in the sweltering heat to remove and replace the damaged roadway. It is a job they prepare for every summer.

“The concrete will expand but it has nowhere to go but up,” Shaw said. “The only problem is all though we do know it’s possible and we expected to happen, we can’t really predict where it’s going to happen or when it’s going to happen.”

Traffic was backed up for miles from Woods Cross all the way past Parish Lane. Drivers trying to avoid the mess even got backed up into nearby neighborhoods.

“It happened at a really bad time during the evening commute but we can’t just let it sit there, we have to fix it,” Shaw said.

With more heat expected this week, UDOT said they would be keeping an eye out for road buckling and are asking drivers to do the same.

“If you see it happening, call 911. We need to know about it and we need to know about it immediately,” Shaw said.

UDOT said the final repairs made Thursday night should not have any residual effects for future commutes.