3 ms·
Chicago has a gated middle 2-lane express lane in the freeway. Gates go up on one side to allow traffic through, depending on traffic conditions, to force it on
by setr 9y ago
Chicago has a gated middle 2-lane express lane in the freeway. Gates go up on one side to allow traffic through, depending on traffic conditions, to force it one-way.
What I've never been sure about is how they guarantee no one is still traveling in the wrong direction at transition time
- kgermino 9y agoMostly cameras. However they do have someone actually drive the lanes (I believe it’s usually during the mid-day turn) at least once a day to make sure the road is completely clear (debris, etc.)