State Route 103 (SR-103) is a 0.225-mile-long (0.362 km) urban minor arterial state highway in the U.S. state of Utah. It branches off from SR-126 in downtown Clearfield and extends east to Interstate 15 (I-15), terminating at Hill Air Force Base. The entire route is located in Davis County and was formed in 1965 coinciding with the construction of I-15. The eastern terminus has changed hands in the same location several times since its designation, and the route was eventually given the moniker of 650 North in 1979. SR-103 is one of four Utah state highways that connect to Hill Air Force Base, the others being SR-97, SR-168 and SR-232, and has the second lowest average daily traffic, higher only than SR-168.

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