The accident, which the ambulance service say is between a motorbike and another vehicle, took place on Trench Lock at about 7.15am this morning and partially blocked the island at Sommerfeld Road outside the petrol station.
An ambulance spokesman said a man in his 30's, believed to be the motorcyclist, was airlifted to the North Staffordshire Hospital with chest and shoulder injuries.
He was given pain relief at the scene before being flown off in the air ambulance.
A West Mercia Police spokesman said: " The motorcyclist, a man in his thirties, sustained serious injuries and has been taken by air ambulance to North Staffordshire Hospital."
Delays stretched back on the A442 heading from the Greyhound Interchange towards Trench Lock.
Traffic was also causing trouble on the A442 Brockton Way at Sutton Hill.
Police are urging anyone who witnessed the collision to contact police on 101 quoting incident number 43 of March 11.
Elsewhere this morning three fire crews and police were called to a crash at 8am on Chelmash in Bridgnorth where a car had overturned.
The crash involved one vehicle and one person was given first aid and traffic was also built up in the area throughout the morning.
One lane was blocked westbound on the M54 causing traffic between junction 3 and junction 4 between Shifnal and Albrighton after a crash.