From A19 North and South, filter off the A19 taking the A66 to Middlesbrough exit. Filter onto the A66 (middle lane). Follow to the roundabout. Before the roundabout move to the outside lane. Turn right onto the A171 at the roundabout (a McDonalds restaurant will be on your left) carry on a few hundred yards to a small roundabout. Go straight over following the A171 (Cargo Fleet Lane) to the traffic lights and crossroads with A1085 (Trunk Road).
Continue straight over the crossroads. Follow the A171. You will shortly see two high-rise buildings on your left. The entrance to the MTLC building is on the right, at the far end, opposite the second building. Turn right through the entrance and follow round to the car park.