A freshly patched pothole doesn’t always mean the problem underneath has been fixed.

City of Thompson spokesperson Ian Graham says cracks allow water beneath the asphalt, where freezing and thawing can leave gaps that collapse under passing vehicles.

He says longer-lasting repairs require more extensive work.
 

Graham says crews also need suitable temperatures and must clear water and debris before patching.

To learn more about what goes into maintaining our roads, tune in to Thompson Today at 12:40 and 5:10.