From the North:
Approach Cambridge on A14. Do not join M11 but keep in left-hand lane and follow signs for A14 eastbound (towards Newmarket). Then take 3rd exit (B1047) and turn right towards Fen Ditton at traffic lights at top of sliproad. Follow this road until you reach a main T-junction (traffic lights) where you need to turn right, but keep in left-hand lane when turning.
At the roundabout turn left, signposted Ring Road, Cherry Hinton & Station. Follow this road until next roundabout (Sainsburys) and turn left, under railway bridge. This is Coldhams Lane. Continue straight over at traffic lights, Rosemary Branch pub on left, and ZEISS is the fourth company on the left-hand side (white building). Visitor parking and Reception are located at the front of the building.