Idaho State Highway 48

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State Highway 48 marker

State Highway 48
Route information
Maintained by ITD
Length: 24.409 mi[1] (39.282 km)
Major junctions
West end: I‑15 near Roberts
East end:
US-26 Bus. in Ririe
Counties: Jefferson, Bonneville
Highway system

State Highways in Idaho

SH-47 SH-50

State Highway 48 (SH 48) is a state highway in Idaho from Interstate 15 (I-15) near Roberts to U.S. Route 26 Business (US 26 Bus.) in Ririe.

Route description[edit]

State Highway 48 starts at a diamond interchange with I-15 before heading due east on North Berrett Road through the town Roberts, where it becomes the road East 627 North. SH 48 continues north on Old Highway 91 before turning east and leaving the city of Roberts as Roberts Highway (also known as East 650 North), crossing Roberts Slough. Near the town of Lewisville, SH 48 turns south onto Saint Leon Road (alternatively known as North 3500 East), passing Midway Elementary School and Jefferson Alternative High School as it enters the town of Lewisville. SH 48 continues due south out of the city limits before turning east onto Lewisville Highway (North 3500 East). The highway passes by Midway Middle School, Jefferson Elementary School, and Rigby Senior High School before entering the city of Rigby on West 1st South.[2]

In the city, SH 48 intersects U.S. Route 20 Business, providing access to the US 20 freeway as SH 48 passes underneath the freeway with no direct access. SH 48 leaves the city as Ririe Highway before passing through more farmland, turning due south onto North 4500 East and then east again on East 150 North. The highway turns south again onto North 4600 East before making a final turn east on County Line Road, crossing into Bonneville County and ending at U.S. Route 26 Business in the town of Ririe.[1][2]

Major intersections[edit]

County Location mi[1] km Destinations Notes
Jefferson   0.000–
Rigby 14.812 23.838
US-20 Bus.
Bonneville Ririe 24.409 39.282
US-26 Bus.
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. ^ a b c Staff (18 December 2006). "State Highway 48". Idaho Transportation Department. Retrieved 13 July 2012. 
  2. ^ a b Google (13 July 2012). "State Highway 48" (Map). Google Maps. Google. Retrieved 13 July 2012.