Petrol pumps across the area have begun to run dry as motorists queue to top up their tanks.
Government advice about taking 'sensible precautions' in case of a strike has been blamed for the rush.
This included the recommendation from one minister that people should fill up spare fuel cans to make sure they are prepared.
Staff at several petrol stations reported long queues and panic buying all morning.
The situation from 12.30pm -1.30pm this afternoon was as follows:
Esso, Braywick Road - No diesel. Some fuel but lots of pumps displaying red 'no fuel' tags.
Murco, Cookham Road - Some fuel. Queues backing onto the main road up to 10 cars deep.
Esso, Gringer Hill - No fuel. Delivery apparently expected this evening.
Esso, Shoppenhangers - Some pumps closed. Queues backing onto the main road.
Texaco, Bath Road - Busier than usual but fuel available and deliveries expected tomorrow and Saturday.
Total, Bath Road - No fuel.
Tesco, Bath Road - Some fuel but queues building.
Esso, Bath Road - Some fuel but queues building.
Shell, Clarence Road - No fuel.
BP, Maidenhead Road - Some fuel but long queues onto the main road.
BP, Windsor Road, Water Oakley - Some fuel but long queues on the main road.
BP, New Bath Road - Some fuel (1.30pm) but has queues
Follow @maidenheadads and @expressseries on Twitter for live updates.
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