Rumble strips alert drivers when they veer off the road or into oncoming traffic. It is a safety measure.

TxDot’s Public Information officer Adele Lewis said they are especially necessary on roads like FM 171.

“This is a rural road, and in the state of Texas, 58% of lane departure or road departure wrecks ending in a death or serious injury happen on roads just like FM 171,” Lewis said.

Read more about the rumble strips and cycling community here.