Motorists are facing delays this morning because of fog.
Visibility is reduced because of fog on the M62 between junction 21, A640 (Milnrow) in Milnrow and junction 25, A644 (Brighouse).
Temporary traffic lights are also causing tailbacks in both direction on the A646 Burnley Road at Friendly, with one lane closed.
There are no reported problems on the buses or trains.
Weather wise, Calderdale is set for a cloudy day, with lows of 6C and highs of 10C.