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thinkahol *

Rolling speed harmonization: How Colorado fights congestion on I-70. - Slate Magazine - 0 views

www.slate.com/...s_congestion_on_i_.single.html

Rolling speed harmonization: How Colorado fights congestion on I-70. - Slate Magazine

shared by thinkahol * on 20 Oct 11 - No Cached
  • thinkahol * on 20 Oct 11
     
    Why highways move more swiftly when you force cars to crawl along at 55 mph.
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