State Highway 28 marker

State Highway 28

Sacajawea Historic Byway
SH-28 highlighted in red
Route information
Maintained by ITD
Length135.645 mi[1] (218.299 km)
Major junctions
South end SH-33 west of Mud Lake
Major intersections SH-29 in Leadore
North end US 93 in Salmon
Location
CountryUnited States
StateIdaho
Highway system
  • Idaho State Highway System
← SH-27→ SH-29

State Highway 28 (SH-28) is a 135.645-mile-long (218.299 km) state highway in Idaho which runs from Idaho State Highway 33 (SH-33) near Mud Lake to U.S. Route 93 in Salmon. The entire length of the route is designated as the Sacajawea Historic Byway by the state of Idaho.[2]

Route description

View along Idaho State Highway in Lemhi Valley, October 2012

Idaho State Highway 28 begins at an intersection with ID 33. The route heads northwest before passing the Mud Lake Airport, proceeding to an intersection with State Highway 22. After a long distance, it proceeds through the Lemhi Valley, bending north before curving northwest again for a short distance. The roadway passes the Leadore Airport on its way into Leadore, meeting Idaho State Highway 29 while in the community. Just after exiting the town, the road travels parallel to the Lemhi River for several miles before ending at U.S. Route 93 in the community of Salmon.[1]

Major junctions

CountyLocationmi[1]kmDestinationsNotes
Jefferson​0.0000.000 SH-33 – Rexburg, Idaho Falls, INL Site NorthSouthern terminus; Sacajawea Historic Byway continues on SH-33 east 15.15 miles (24.38 km) to I-15
Butte
 No major junctions
Clark​15.46024.880 SH-22 – Arco, Dubois
LemhiLeadore75.079120.828 SH-29 – DillonSouthern terminus of SH-29; former SH-28 north
Salmon120.495193.918 US 93 – Hamilton, Missoula, ChallisNorthern terminus; highway continues as US-93 north (Main Street west)
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. 1 2 3 "Milepost Log for Highway 28". Idaho Transportation Department. Archived from the original on 2012-05-12. Retrieved 2008-05-15.
  2. ↑ Idaho Transportation Department. "Sacajawea Scenic Byway". Idaho's Scenic Byways. America's Byways. Archived from the original on April 30, 2013. Retrieved January 29, 2013.
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