A 1604 construction vehicle lost its brakes and crashed into a car injuring four people.
That wreck happened around 10:30 p.m. Friday at the 1604 and 281 construction zone.
Police say construction crews were trying to close down the access road of 281, when the brakes of one of their safety vehicles went out.
The driver of that vehicle lost control and crashed into a car causing it to roll over.
Three people inside that car sustained injuries and were treated by EMS.