Easy access to the A34 is essential for the success of Science Vale. Our upgrade to the Chilton Interchange means that everyone who lives and works near Harwell Campus or to the south of Didcot can join or cross the A34 with ease.
The slip roads are now open and drivers have full access to the A34, north and south. With two new roundabouts on the A4185, all traffic flows near the interchange will run more freely.
We’ve also upgraded Hagbourne Hill, the section of the A4185 between Chilton Interchange (south-western end) and the junction with the A417 London Road (north-eastern end). We’ve levelled a section to improve visibility and added a roundabout where Hagbourne Hill meets London Road.