We operate a vehicle depot and there have been a number of accidents involving vehicles reversing into floor to ceiling posts. The problem seems to stem from the fact that vehicles drive from bright sunlight into the hangar which is lit by strip lighting at ceiling height and our drivers are not able to adjust to the different levels of lighting quickly enough. As a quick fix we tried painting the bottom half of the posts with bright yellow paint but we still had accidents. It is not possible to remove these posts and we are unable to increase to size of the entrance to the depot to allow for graduated lighting (similar to entering/exiting a road tunnel). Has anyone had experience of something similar and can you help me find a solution?

Thanks - I'll check those out

Sorry - should have been clearer in my original post! Vehicles go in forwards then reverse into a space within the hangar. I do think drivers may take their vehicles in too quickly as they feel pressure from the drivers in the vehicles behind them at peak times of the day. I'm thinking the solution may be a banksman at busy times and an instruction to wait 30 seconds after entering the hangar before reversing. I appreciate your response

Can you illuminate the posts in anyway if there are not hundreds of them? - something like LED lights - similar on buoys found at sea?

I suggest you dob't go with the banksman thought, lest they reverse into him as well! Speed seems to be the critical issue here and perhaps a lack of other visual alignment cues for the drivers. Something as simple as painted lines on walls etc, or even suspended tennis balls can all help keep your drivers on course.