Luckily neither car was going at break neck pace, and both braked a little before impact, so they somewhat minimised the potential danger.
I think the copper will be in a bit of trouble, he may have been taking the quickest route, but he would be at fault for not following correct protocol by informing the police in charge of him entering the closed area.
Thankfully there was not a bomb at the site he was meant to be getting to, or he'd be in a hell of alot more trouble.
Looking For: Wreckers Saga TPB Collection (with Requiem)