An accident has compiled congestion problems on motorways around Preston and Chorley.
The crash, involving several vehicles at around 11.20am, temporarily closed one lane northbound between junction 8 and 9 on the M61 around Chorley.
All vehicles were quickly moved to the hard shoulder. It is not known if anyone has been injured.
Congestion is also backing up northbound on the M6 between junctions 29 and 30, around the Tickled Trout.
Motorists are advised to expect delays of around 30 minutes.