There are long delays on the A1(M) near Stevenage this morning after a crash on the southbound carriageway.
The collision - involving a motorcyclist and a car - occurred near Junction 7 for Stevenage at about 8.10am.
Police stopped motorists from joining the motorway via the southbound slip road and closed the road while the vehicles were recovered, but the A1(M) reopened at 8.50am.
Traffic is currently heavy back to Junction 9 for Letchworth Gate, and there are delays through Knebworth, too.
One person was taken to Lister Hospital in Stevenage for further care.
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