Wednesday, April 25, 2007

The H1 Zipper

Been home for a few days now, kids are back in school, back to work, things are more or less normal.
This thing is back in Honolulu, but it was something differant, at least to me. Maybe they have one somewhere else, but it was a first for me. This is a gigantic "zipper". To deal with the morning, and evening commute, they use this to isolate one lane on the freeway so it can be used in the most needed direction. This is not uncommon, I know, the even do something like this in the Big City near here. But I'd never heard of this system. After the morning rush, they come along with some kind of contraption, ( unfortunately I never got to see it in action ) and move this zipper looking thing to the other side of the lane, and then it is used in the opposite direction. It ends up as a lane between 2 cement barriers. You can only get out in a couple of places. I don't know what happens when someone breaks down. Maybe in a Tropical Paradise those kind of things don't happen.
By the way, how can they have an "Interstate" on an Island ?

3 comments:

The Lazy Iguana said...

They use this large ugly truck. The truck looks like it "drives" sideways. Or at least diagonal.

The truck has a tunnel like passage, lined with steel plates. The truck lines up with the barriers, swings the rear axles to steer the exit of the tunnel in either direction, then drives. The barriers are moved in the process.

I saw this truck in action on some TV show about such things. Pretty neat.

Jandi for The Fuzz said...

I hate I missed it. We don't really need anything like that in this town.

The Lazy Iguana said...

It is a neat truck. It seems that the front and rear axles can steer independently of each other. It can drive straight ahead, move sideways, turn around in its own length, drive diagonal, and so on.

But it is ugly. Think of a giant shoe box with wheels. That is pretty much it. It is built for one special purpose, and pretty much useless for anything else.

How much was gas in Hawaii?