A fatal crash has closed the A650 Drighlington bypass in both directions today.
Police said the man, aged 64 from Morley, was riding a yellow Honda CBR motorcycle.
The other vehicle involved in the collision was a silver Fiat Punto, driven by a 51-year-old woman.
UPDATE: MOTORCYCLIST KILLED IN DRIGHLINGTON BYPASS CRASH NAMED BY POLICE
Officers are advising drivers to find alternative routes as the collision, which happened at about 7am, is affecting traffic between Bradford and Leeds.
The bypass is closed between the A58 Whitehall Road and the A650 Wakefield Road, between the roundabouts, said police.
The collision happened near the A650's junction Field Head Lane.
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