Travel monitoring service Inrix reports that the northbound route between junction 18 (Middlewich) and 19 (Knutsford) are affected.
The latest update reads: “Slow traffic due to earlier accident on M6 Northbound from J18 A54 Middlewich Road (Middlewich / Holmes Chapel) to J19 A556 ( Knutsford ). All lanes have been re-opened. Lane one (of four) was closed until around 16:55.”
Highways England have tweeted about the incident: “#KnutsfordServices northbound entry slip on to the #M6 @NWmwaypolice@CheshireRCU are dealing with a collision involving two vehicles. Lane 1 (of 4) has been closed on the main carriageway northbound.”