Calderdale Royal Hospital says its A and E department is extremely busy with people who have fallen on the ice this morning.
A and E and Huddersfield Royal Infirmary is also incredibly busy.
A spokeswoman for Calderdale and Huddersfiled NHS Foundation Trust said: “We would remind people to only come into A and E in an emergency.
“For non-emergencies, people should consider other options such as their local pharmacist or GP surgery, or call NHS Direct.”
Due to the heavy number of 999 calls, Yorkshire Ambulance Service has had to cancel all non-emergency patient transport services but will continue with emergency patient transport services for renal dialysis and oncology patients.
They will be contacting all patients affected. If patients cannot get in for their outpatient appointments , they are beign asked to contact the appointments centre on 08000 158 222 to re-arrange.
Police are urging people to take extreme care on the roads this morning after black ice caused a numerous accidents on motorways across West Yorkshire.
Officers say they have received several reports of crashes on the M62, A1 and M1 since the early hours of today.
No one has been seriously injured but they are asking people to take extra care.
Police in Calderdale have also received reports of several accidents.
Chief Inspector Derek Hughes of the West Yorkshire Police Roads Policing Unit said: “It is treacherous and we are working with other agencies to keep the road networks clears. “Drivers should be aware of the conditions though and drive accordingly.”
Traffic is very slow on routes around the district because of the fog and ice.
Hazardous driving conditions are being reported on Halifax Road in Shelf around the A644 Brighouse And Denholme Gate Road junction.
There is stop-start traffic and hazardous driving conditions on the A629 Ovenden Road outbound in Halifax between the Orange Street roundabout and the Club Lane junction,
Traffic is very slow on the A629 Calderdale Way inbound in Elland between the A6025 Halifax Road junction and the A6026 Wakefield Road junction.
Traffic is also very slow on A629 Commercial Street inbound in Halifax between the Ward’s End junction and Orange Street roundabout.
Meanwhile pedestrians are being forced to walk in the road because of sheet ice covering the pavements.
Meanwhile the Piece Hall in Halifax is delaying opening today because of ice on the courtyard. They have Tweeted that they are gritting but it is just re-freezing.
The temperature is expected to rise by lunchtime today.
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