Composition
The Belt System consists of six beltways. The Purple, Blue, Green, Yellow, Orange, and Red Belts travel distances of 2 miles (3.2 km), 38 miles (61 km), 39 miles (63 km), 78 miles (126 km), 92 miles (148 km), and 34 miles (55 km), respectively. The Purple, Blue, and Yellow belts are complete circular routes, beginning and ending at the same points. The Orange Belt was a complete circle until 12 miles (19 km) of the southernmost stretch (including its entire stretch through Washington County) was decommissioned in the 1970s to keep the belt system entirely in Allegheny County. It still briefly traverses Westmoreland County in New Kensington.
Prior to its acquisition by the Chevron Corporation in 1980, the Gulf Oil Corporation, with headquarters in Pittsburgh, published a map of Allegheny County prominently displaying the Belt System. Currently, Allegheny County produces maps featuring the Belt System.
Read more about this topic: Allegheny County Belt System
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