There are highways in the US that do this with dividers. A specialized vehicle d... | Hacker News

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colanderman on Oct 1, 2013 | parent | context | favorite | on: How traffic actually works

There are highways in the US that do this with dividers. A specialized vehicle drives over them and shifts them one lane to the left/right twice each day.

interurban on Oct 1, 2013 [–]

A good example would be the Golden Gate Bridge (at least they used to do this, I haven't been to the west coast in several years).

khuey on Oct 2, 2013 | [–]

Still does, but it's only over the bridge. The approaches have fixed bandwidth and can back up.

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