From the A34 (Northbound):
Exit at Chilton Junction and merge onto the A4185. At the roundabout, take the first exit towards Harwell Business Centre. Go straight over two mini roundabouts. The Electron Building is on the right, opposite Diamond Light Source. For the main entrance, drive past the Electron Building and turn right after the mini traffic-island. The entrance is on your right. Note: External visitors cannot park outside the Electron Building. See the map for guest parking.

From the A34 (Southbound):
Exit at the Milton Interchange, taking the A4130. At the roundabout, choose the A4130 towards Wantage. Continue straight at Rowstock roundabout onto the A4185. After two miles, turn right onto Fermi Avenue. Go over two mini roundabouts. The Electron Building is on the right, opposite Diamond Light Source. For the main entrance, drive past the building and turn right after the mini traffic-island. The car park entrance is on your right. Note: External visitors cannot park outside the Electron Building. See the map for guest parking.