One lane on the M53 in Wirral remains closed after a car smashed into a roadside sign.
North West Motorway Police confirmed emergency services were called to the accident, which happened at around 7.50am.
Merseyside Police said the smash involved a small blue car crashing into a sign between the Woodchurch and Bebington junctions.
A police spokeswoman said: “It is a one car road traffic collision between junction three and four after a small blue car smashed into a sign.”
North West Ambulance service confirmed they are at the scene of the accident treating a man in 50s.
A spokesman for the ambulance service said: "We took a call at 7.51am to junction four, southbound on the M53. There is one patient who is a male in his 50s."
There are no details on the extent of the man's injuries and it is unknown at this stage whether he has been taken to hospital.
Merseyside Fire & Rescue confirmed they have left the scene after two fire engines from Birkenhead and Bromborough attended shortly before 8am. A spokeswoman for the fire service said: "I can confirm that we did attend an accident this morning but all we did was make the vehicle safe."
Two lanes were closed and one driver tweeted they had seen police, fire and paramedics all at the scene.
At 8.40am Highways England tweeted to say one lane has reopened but one remains closed for recovery of the vehicle.
Delays are expected until 10.15am.