A unique way of making extra lanes for rush hour

[metalangel]

https://www.youtube.com/watch?v=dl0Q2bDnBUc&feature=player_embedded

No need to widen the road or drive on the shoulder (like the M42), just buy one of these... things...
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[Derivative]

I don't really understand the point. You may as well just remove the barrier and do an Aston Expressway.

The concrete isn't anchored, surely a collision would cause huge concrete blocks to fly everywhere? Unless the interlock is really quite strong. The blocks also don't look tall enough for UK motorways.

[Teflon-Mike]

I had to sit through a video about US safety barrier design to get my 'learners permit' when I was 14... so a few decades ago; but even then what they were using was WAY ahead of the 1950's 'Armco' railings we use; that are essentially just a rigid, physical barrier, you hit one side ways you slide, wrecking your car; hit it head on, and it'll bend, but probably stop you. They ent high-tech.

US Safety Barriers are cleverly shaped blocks of concrete; they have a ramp, so if you side-swipe one, before the door starts scraping, the wheels have to go up the ramp, tilting the body away from the barier and tending to steer the car back down and onto the lane... cleaver, hugh?

Where you are likely to hit a barrier head on, or where lanes split, they then use 'energy absorbsion barricading'... you have probably seen them in the movies or you-tube bad driver clips.... plastic oil drums full of water... you hit it, and its heavy enough to slow you down, but doing so will displace the water inside... dissipating energy, so you aren't brought to a sudden neck snapping stop.

They also have 'cable' barriers; big multi-strand spring-steel cables, like a push-bike brake-cable but bigger, strung through water-butts and anchored at the ends with movable concrete blocks; again; hit the fence, you tug the cable, cable pulls concrete block into however many water-buts it takes to make you stop.

I suspect that's a similar principle, and the individual barrier sections are water-filled polyethylene, strung together with steel cable, so that if they get hit, they bow and absorb impact energy.
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[daemonoid]

You may be confusing technically advanced with cheap...

Concrete barriers are the cheapest 'acceptable' risk. We've actually taken a huge step back in the UK by switching from flexible and semi-rigid Armco. And worse still, are you really a motorcyclist advocating the use of cheese wire barriers?

Worth also noting that the concrete blocks are also Armco barriers...
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[bikertomm]

For some reason I'd like to see that machine get jammed.
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[DrDonnyBrago]

[Benno]

I bet that woman on the right is absolutely hideous without the 764lbs of makeup she is wearing.

Either that or she is a plastic animatronic doll.

[Ariel Badger]

[The Disapproving Brit]

Sure, it looks very clever going in that direction, so both sides effectively get an extra lane. It'll grind both sides to gridlock as soon as it needs to go the other way.
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[hmmmnz]

we have the same system in operation on the auckland harbour bridge in new zealand,
its been running since 1990,
https://upload.wikimedia.org/wikipedia/commons/f/fa/Barrier_Transfer_Machine_Auckland.JPG
it had been running the "tidal" type thing for loads of years before the moveable barrier was put in, a few too many head on crashes made the use of the concrete barrier mandatory
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[Mungel]