DRIVERS have been hit with rush-hour delays on the M61.
Traffic is queuing on the junction between Bolton and Chorley around Over Hulton.
Roads and traffic monitoring service Inrix said: "Queueing traffic and traffic heavier than normal on M61 Northbound from J3 (Kearsley Spur) to J5 A58 Snydale Way (Westhoughton). Cameras are showing traffic is stacked up.
"The cause is unknown as of yet."
One motorist stuck in the traffic said: "Traffic is heavy heading towards Chorley from Bolton.
"It usually takes me 15 minutes to get home but it's a lot longer.
"There are long delays."
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