There was a crash with serious injuries on Dixwell Avenue in Hamden on Tuesday morning and the road was closed for several hours.
Officers were called to the intersection of Dixwell Avenue and Treadwell Street around 7 a.m. after getting a report of a serious crash.
Investigators said the two vehicles collided at the intersection and each of the vehicles had one person inside.
The drivers of both vehicles were treated at the scene and were transported to the hospital to be treated for serious injuries, authorities added.
Dixwell Avenue was closed in both directions for several hours while police investigated. It has since reopened.
Any witnesses are asked to contact the Hamden Police Department at (203) 230-4000.