Long queues on M6 Thelwall Viaduct in Warrington
The incident has happened on M6 Thelwall Viaduct northbound at junction 21, Woolston.
One lane is currently closed as a result.
Long queues are also being reported on the carriageway.
Meanwhile the traffic throughout the town itself is busier than usually today, Thursday, as people rush to finish the last of their Christmas shopping.