Several passengers suffered minor injuries and shock, one passenger in the most vulnerable seat was taken to hospital by ambulance.
Jersey Fire and Rescue say the impact was sufficient to peel back a portion of the vehicles roof to the first row of seating which were occupied.
A bus passenger has described the terrifying moment a double decker bus crashed into Liberation Station last night.
Paul Kelly was sitting at the front of the vehicle with his two sons when he heard a loud bang and passengers realised the bus had hit the corner of a building.
Four people were injured as a result of the accident, one was taken to hospital after glass from the top deck window was sprayed across passengers.
The fire service say the impact was enough to peel back part of the roof at the front of the bus.
An investigation is currently underway.
The weekend event coincides with International Pride Month and the 51st anniversary of the Stonewall riots.
The scheme has been backed by the island's Lieutenant-Governor, and is the first of its kind in the Channel Islands.
Sunny spells and isolated light showers. After dusk fair spells with isolated showers.