A chain-reaction collision ensnared four vehicles and closed Route 1 for about an hour at a construction site on the overpass Wednesday, May 9.

Belfast Police said at approximately 4:45 p.m. three vehicles were stopped at the temporary traffic light on top of the overpass. A fourth vehicle, a Dodge Dakota, approached but failed to stop and slammed into the line of cars.

Five people and a dog were involved in the collision. Four were transported to Waldo County General Hospital with non-life-threatening injuries. One was treated and released and the dog was seen being carried away in a blanket but appeared alert.

"Basically it was an unfortunate accident with a lot of property damage, but it could have been much worse," Belfast Police Sgt. Brian Lunt said.

All four cars had substantial damage. A Toyota Prius, at the end of the line of stopped traffic, took the brunt of the impact and the back end was completely pushed in. It took some time for emergency workers to help the driver out and onto a gurney.

There were no drugs or alcohol found in the Dodge and neither is considered a factor in the crash. However, the driver will be charged with failure to maintain control of a motor vehicle, according to Lunt.

Belfast Police and Ambulance Service responded, as well as Waldo County Sheriff's deputies.