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US 20: Idaho Falls to Montana
US 20 in both directions: Road construction, construction traffic merging, speed restrictions in force, width limit in effect, delays.
Between The Menan-Lorenzo Highway (3 miles east of the Rigby area) and ID 33 (Rexburg). Road construction work is in progress. Construction traffic may be merging. Speed restrictions are in force. There is a width limit in effect. Expect delays. Speed limit 55 MPH . Width limit 14'0". Expect 5 - minute delays.. Until October 31.

Web Comment: Traffic is being routed to the interchange ramps in order to construct the mainline of US-20 for the Thornton Interchange. Follow all construction signs, and use caution through the work zone. Direct perpendicular accesses have been closed for construction of the Thornton Interchange. For access to businesses use Exit 332, and follow the detour. Commercial drivers transporting permitted loads wider than 14 feet need to contact Resident Engineer Wade Allen (208-745-5680), or Staff Engineer Bryan Young (208-745-5682), 24 hours in advance, for special authorization to pass through the construction zone.
Last updated on September 20
US 20: Bridge construction, construction work, single line traffic - alternating directions, width limit in effect, speed restrictions in force, stop and go traffic.
Between The South Ashton City Limits and The Truck Scale Port of Entry (5 to 6 miles west of the Ashton area). Bridge construction work is in progress. Look out for construction work. Expect single line traffic alternating directions. There is a width limit in effect. Speed restrictions are in force. Traffic is stop and go. Width limit 17'0". Until October 7.

Web Comment: For wide loads contact staff engineer Jeremie Pettingill (208) 745-5315 for detour route information.
Last updated yesterday at 7:48am MDT
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Restrictions on US 20: Idaho Falls to Montana
Map of Reports on US 20 Between I-15 and Exit 309: Science Drive (near Idaho Falls). Look out for construction work. There is work on the shoulder. From 7:00AM MDT to 5:00PM MDT on weekdays. Until December 2. Between I-15 and Exit 308: Riverside Drive (near Idaho Falls). Road construction work is in progress. The roadway is reduced to two lanes. Construction traffic may be merging. Speed restrictions are in force. Speed limit 25 MPH. Until November 15. Between The Menan-Lorenzo Highway (3 miles east of the Rigby area) and ID 33 (Rexburg). Road construction work is in progress. Construction traffic may be merging. Speed restrictions are in force. There is a width limit in effect. Expect delays. Speed limit 55 MPH. Width limit 14'0". Expect 5 - minute delays. Until October 31. Between The South Ashton City Limits and The Truck Scale Port of Entry (5 to 6 miles west of the Ashton area). Bridge construction work is in progress. Look out for construction work. Expect single line traffic alternating directions. There is a width limit in effect. Speed restrictions are in force. Traffic is stop and go. Width limit 17'0". Until October 7.
US 20 in both directions: Road construction, construction traffic merging, speed restrictions in force, width limit in effect, delays.
US 20: Bridge construction, construction work, single line traffic - alternating directions, width limit in effect, speed restrictions in force, stop and go traffic.
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