Sydney tunnel water screen stop sign for oversized vehicles [video]
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Re: Sydney tunnel water screen stop sign for oversized vehicles [video]
#2It's a really cool idea, but I couldn't help but think they should move the water stop sign to well BEFORE the million dollar damage point. Some big trucks would have a hard time seeing the stop sign, reacting to it, slamming on the brakes, and coming to a complete stop in time before they cause damage to the overhang and beams.
Re: Sydney tunnel water screen stop sign for oversized vehicles [video]
#3ironically, the water on the road makes it that much more difficult to stop
Re: Sydney tunnel water screen stop sign for oversized vehicles [video]
#4It's a really cool idea, but I couldn't help but think they should move the water stop sign to well BEFORE the million dollar damage point. Some big trucks would have a hard time seeing the stop sign, reacting to it, slamming on the brakes, and coming to a complete stop in time before they cause damage to the overhang and beams.
The advantage with the signs before the final water sign is that they should be enough for any reasonably alert driver and don't make the environment more hazardous.
You really want to have the water screen projection, which douses the road with water, as the last line of defence. Water on the road is likely to make it far more difficult to stop a large truck like that. Having it earlier could actually be detrimental to their stopping ability[1].
We're also assuming the unexpected water doesn't cause additional accidents from all the other vehicles. A wall of water could provoke some quite irrational reactions. I drive that road on a fairly common basis and even a small accident there could well result in an expensive pile-up.
[1]: Conjecture
Re: Sydney tunnel water screen stop sign for oversized vehicles [video]
#5The footage of the 20 ton beam getting knocked out of the tunnel ceiling by a truck was remarkable. I hope there were no injuries!
Re: Sydney tunnel water screen stop sign for oversized vehicles [video]
#6ironically, the water on the road makes it that much more difficult to stop
The sign was mounted just inside the tunnel. If the truck were there, then it's already too late.
Re: Sydney tunnel water screen stop sign for oversized vehicles [video]
#7What a neat idea! But if these trucks are PURPOSEFULLY breaking the laws and continuing to go through the tunnel, I am not sure that this solution will hold up for too long; after all, the clever truck drivers will know it is a mere illusion.
Furthermore, instead of a water screen, wouldn't a brick screen be more effective? Personally, I wouldn't mind going through water nearly as much as I would be running into a brick wall. Nonetheless, as I said before, a really neat idea and definitely a solution for some instances--limitations need to be addressed though.
Re: Sydney tunnel water screen stop sign for oversized vehicles [video]
#8It's a really cool idea, but I couldn't help but think they should move the water stop sign to well BEFORE the million dollar damage point. Some big trucks would have a hard time seeing the stop sign, reacting to it, slamming on the brakes, and coming to a complete stop in time before they cause damage to the overhang and beams.
It's a really cool idea, but I couldn't help but think they should move the water stop sign to well BEFORE the million dollar damage point
I thought the stop sign was only visible because of the dark background (i.e. moderately lit tunnel) behind it?
My first thought was similar - it needs to be seen sooner - but I presume that even some braking before slamming into concrete is better than none.
Re: Sydney tunnel water screen stop sign for oversized vehicles [video]
#9What a neat idea! But if these trucks are PURPOSEFULLY breaking the laws and continuing to go through the tunnel, I am not sure that this solution will hold up for too long; after all, the clever truck drivers will know it is a mere illusion. Furthermore, instead of a water screen, wouldn't a brick screen be more effective? Personally, I wouldn't mind going through water nearly as much as I would be running into a br…
Funny, I also thought a stop sign wasn't severe enough (I wanted the water screen to project an oncoming semi to scare the sh*t out of the driver), but illusions like that would cause some drivers to panic and endanger motorists around them.
Re: Sydney tunnel water screen stop sign for oversized vehicles [video]
#10low-tech solution: http://vanishingpoint.at/wordpress/wp-content/uploads/2010/1...
(edit: actual image url instead of article)