MOTORISTS are being warned of delays following a three-car collision on the motorway near St Helens.
The carriageway is closed on the northbound side of M57 at junction 4, St Helens. Traffic is being diverted via the exit and entry slip roads at the junction due to a three-car pile up. The incident happened at around 5pm on Tuesday. Traffic is expected to clear between 6.30pm and 6.45pm.