Portland Press Herald photo by Gabe Souza The aftermath of a multi-vehicle pileup on Interstate 95 Wednesday is seen in this aerial photograph.

Portland Press Herald photo by Gabe Souza Rescue personnel take a break after working most of the morning to clean up a multi-vehicle pileup on Interstate 95 Wednesday is seen in this aerial photograph.

The aftermath of a multi-vehicle pileup on Interstate 95 Wednesday is seen in this aerial photograph.

Hermon Fire Capt. Chandler Corriveau, who also is a full-time firefighter with the Bangor Fire Department, center right, helps direct firefighters, troopers and other first responders to check on the many motorists still inside their wrecked vehicles during the multi-vehicle pileup outside of Bangor on Wednesday.

Emergency crews clean up the debris from a multi-car pileup Wednesday on Interstate 95 in Carmel.

A Ford SUV is stuck between a guardrail and a tractor-trailer truck at the scene of a 40-car in the northbound lane of Interstate 95.

A crushed car is lodged under a Regional School Unit 19 school bus in multi-vehicle crash Wednesday on Interstate 95 between Newport and Bangor.

Cars involved in a multiple car pileup are untangled by wrecker crews after a multi-car pileup on Interstate 95 in Carmel.

Cars involved in a multiple car pileup await untangling by wrecker crews on Interstate 95 in Carmel.

A car that was under a Regional School Unit 19 school bus in the left of this frame is readied for removal as wrecker crews untangle a multi-car pileup on Interstate 95 in Carmel in Wednesday. The driver escaped with only scratches.

Emergency crews work to free victims of a multi-vehicle pileup Wednesday on Interstate 95 between Newport and Bangor.

A car that was towed to K&K Towing in Newport Wednesday after it was involved in a multi-car pileup on Interstate 95.

Emergency crews work to free victims of a pileup on I-95 between Newport and Bangor.

A Regional School Unit 19 school bus from Newport involved in Wednesday’s I-95 multi-car pileup is hauled away.

A pickup truck is hauled away from Interstate 95 in Carmel.

Emergency crews clean up the debris from a multiple car pileup Wednesday on Interstate 95 in Carmel.

An officer with the Maine State Police takes photographs while a tow truck prepares to clear a car away from the scene of a multi-car pileup in the northbound lane of I-95 in Carmel.

Maine State Police troopers document cars as they are separated by wrecker crews after a multi-car pileup on Interstate 95 in Carmel in Wednesday.

Tow truck drivers work at clearing vehicles from the scene of a multi-car pileup in the northbound lane of I-95 in Carmel.

Emergency crews work to free victims of a pileup on I-95 between Newport and Bangor.

Hermon Fire Capt. Chandler Corriveau, who also is a full-time firefighter with the Bangor Fire Department, center rear, helps direct firefighters, troopers and other first responders to check on the many motorists still inside their wrecked vehicles during the multi-vehicle pileup outside of Bangor on Wednesday.

First responders make their way among some of the vehicles involved in a pileup on Interstate 95 outside of Bangor on Wednesday as they check on victims.

Hermon Fire Capt. Chandler Corriveau, who also is a full-time firefighter with the Bangor Fire Department, helps direct firefighters, troopers and other first responders to check on the many motorists still inside their wrecked vehicles during the multi-vehicle pileup outside of Bangor on Wednesday.