Belt up and enjoy this 365-day ride as you cruise past the most momentous motoring events in history. Packed with fascinating facts about races, motorists and the history of the mighty engine, this is a must-visit web site for any car enthusiast.
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The original US Interstate Highway system was proclaimed to be complete with the opening of I-70 through Glenwood Canyon in Colorado. This section is considered an engineering marvel with a 12-mile (19 km) span featuring 40 bridges and numerous tunnels and is one of the most expensive rural highways per mile built in the United States. Although this was claimed the final section of Interstate Highway to open, at the time this section was dedicated there were still missing interchanges elsewhere in the system, making some Interstate Highways not contiguous.
I-70 at Glenwood Canyon