ALL lanes of the M5 have reopened after a crash caused long delays for motorists. 

The northbound lanes between Junction 26 Wellington and 25 Taunton have been closed for the last two hours after a crash between two motorbikes halted traffic. 

The southbound carriage was closed to allow the air ambulance to land.

A spokesman for South Western Ambulance Service said: "We were called just after 1pm to reports of a crash on the M5. 

"We sent a double crewed ambulance and an air ambulance to the incident. 

"A motorcyclist was taken to Southmead Hospital via air ambulance for treatment."

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North traffic conditions are expected at around 5pm.

A Highways England spokesman said: "Drivers planning to travel northbound on the M5 this afternoon are advised to plan their journeys and allow extra time following a closure between Wellington and Taunton.

"The northbound carriageway between junction 26 (Wellington) and junction 25 (Taunton) has been closed to enable police to carry out investigations following an incident involving a motorcycle at 1.05pm.

"Traffic on the southbound carriageway was blocked temporarily for the air ambulance to land at the scene and the northbound carriageway will be reopened as soon as it safe to do so.

"A solid black triangle diversion is in place at junction 26, with northbound traffic following the A38 to rejoin the M5 at junction 25.

"Drivers can obtain up-to-the-minute travel information via Twitter at @HighwaysSWEST, by phoning the Highways England Information Line on 0300 123 5000 or by accessing the website: www.trafficengland.com"