A three-car crash on the M60 has caused major jams affecting large parts of Greater Manchester.
Traffic was backing up towards Heaton Park in Bury and there were queues at the Bolton turn-off for the M61.
One lane had been closed due to an near Barton Bridge.
Although the matrix signs were set to 40 mph, motorists were forced to go much slower.
Travel time is said to be 75 minutes and one of the tree lanes is closed.