Driving You Crazy: Why do they put grooves in concrete roads?

Driving You Crazy: Why do they put grooves in concrete roads?

Jackie from Longmont writes, “What's driving you crazy? Why do they put grooves in concrete roads like where I live on highway 66 to Lyons and highway 287? Seems like it not only throws the cars around but wears our tires out more quickly. I can’t see that it helps with ice or heavy rain only makes it worse.”The main reason for those lines Jackie is for water drainage. Concrete, for all practical purposes, is a non-porous substance when it comes…