Utah State Route 109

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State Route 109 marker

State Route 109
Route information
Defined by Utah Code §72-4-116
Maintained by UDOT
Length: 2.96 mi[1] (4.77 km)
Existed: 1931 – present
Major junctions
West end: SR-126 in Layton
East end: US-89 in Layton
Highway system
  • State highways in Utah
SR-108 SR-110

State Route 109 (or SR-109) is a state highway in the U.S. state of Utah. The route serves as an east–west connector in the city of Layton in Davis County.

Route description[edit]

The route starts at the intersection of SR-126 (Main Street) and Gentile Street in the historic section of Layton, close to the historic Utah Central Railroad and the current-day Union Pacific Railroad, as well as the Layton Frontrunner station. From here, the route travels east along Gentile Street, almost immediately crossing Interstate 15 via an overpass, after which it passes by the Layton city offices and Layton High School. From this point onwards, the route primarily passes by residential subdivisions, crossing Fort Lane and Fairfield Road, the two primary north–south roads in the area. Shortly after Fairfield, the route splits off from Gentile Street, becoming Oakhills Drive as it continues east-northeast, climbing into the foothills of the Wasatch Mountains, where it ends at the intersection with US-89.[2]


State Route 109 was originally established in 1931 as the road from SR-1 (US-91) westerly for four miles along what is now Gentile Street in Layton.

In 1969, the route was moved to the east along the same street (Gentile Street) to its current alignment.

Major intersections[edit]

The entire route is in Layton, Davis County.

mi[1] km Destinations Notes
0.000 0.000 SR-126 (Main Street) Western terminus
Bridge over I-15
0.442 0.711 Fort Lane
1.107 1.782 Fairfield Avenue
2.962 4.767 US-89 Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b "Route 0109P". Utah Department of Transportation. 2008-05-01. Retrieved 2008-09-19. 
  2. ^ Google (June 8, 2009). "Utah State Route 109" (Map). Google Maps. Google. Retrieved June 8, 2009.