A two vehicle accident is causing tailbacks for drivers using the A505 today.
The crash occurred at about 4pm near the Chrishall Grange turning on the A505 between Royston and Duxford.
Fire crews from Royston are assisting their colleagues from the Cambridgeshire Fire Service at the scene.
The road is partially blocked in both directions with traffic queueing back to Duxford on the westbound carriageway and the B1368 Thriplow junction on the eastbound side.
More to follow.
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