Projects stewarded by the U.S. Department of Transportation have shown that reducing traffic congestion has manifold benefits. The SURTRAC adaptive traffic control system implemented at some 20 Pittsburgh intersections has reduced travel time by 25% and reduced GHG emissions by 21%. Canada, which seeks to reduce its 2005 GHG levels by 20% by 2020 — with vehicles accounting for 13% of those levels — has nothing, or nearly nothing, like it.

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NadineFilion: Here’s the simple solution to our gridlock
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