Factual error: After mounting armor in the bus they are approaching Phoenix on a two lane highway from the northwest. When entering the city they are shown coming around South Mountain on Interstate 10 from Tucson from the south.

Continuity: When Shockley first pulls up to Police Headquarters, a bottle of Jack Daniels falls out of the car and is seen with the label facing down. The camera angle changes and the label is now seen face up.

Continuity: Ben, with the help of maybe one man, builds a crude but not easily made steel plated enclosure around the driver's compartment in about an hour. There is no way he could have done all that with one man and one blowtorch in an hour.

Continuity: When the Constable is first seen driving his car, the rear view mirror is seen from the rear of the car, but not from camera angles in front of the car.

Continuity: When Shockley and Mally arrive at the courthouse, they get off the bus and all the policeman around them are seen without any hats or helmets. The camera angle changes and you now see a number of policeman in helmets.

Continuity: After leaving Blakelock's office, Shockley tells Josephson about going to Las Vegas and then thanks him for the escort. Josephson replies by calling him Jim. Shockley's first name is Ben.

Continuity: Just after the rented car blows up Gus Mally tells Ben Shockley to drive 6 blocks, take a left. He actually takes a right.

Continuity: The tyres on the bus don't blow until the firing has stopped and the bus comes to a stop.

Audio problem: After the bus crashes to a halt on the courthouse steps, the gunfire stops. A few seconds later, a bullet hole opens up on the side of the bus - but there is no sound.