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Idaho Frost Laws, Seasonal Load Weight and Speed Restrictions – 2026

Current Monitoring Status

Status

Active

Last Checked

3 months ago

Last Updated

Not available

This page has not been checked in more than 3 hours. Please verify the official state links directly before dispatch.

RESTRICTION STATUS: ACTIVE Idaho state highways and interstates have 46 active truck restrictions as of 2026-03-11T01:35:14+00:00. Restrictions include full truck closures, construction-zone width and speed limits, and oversized-load detour requirements across I-15, I-84, I-84-BL, I-90, I-184, and multiple state and US routes.

"Major Truck restriction on Coeur Dalene River Rd Both Directions from Riverview Dr to Prichard St. Activities: Alert. Closed to Truck Traffic. Local deliveries only."

Field Detail
Status Active 46 restrictions listed as of retrieval
Status Timestamp 2026-03-11T01:35:14+00:00
Coverage Idaho state highways and interstates only. No general local-road coverage.
Effective Dates Varies by corridor. Earliest active start: 2023-06-20 (I-90 at SH-41). Latest end date shown: 2027-06-01 (I-15 MM 76.580.9). See per-road table below.
Weight Limits Not specified no weight reduction, axle limit, or gross weight restriction data present in current entries.
Key Roads I-15, I-84, I-84-BL, I-90, I-184; US-20, US-26, US-30; SH-16, SH-21, SH-53, SH-54, SH-55, SH-71, SH-75, SH-97; also Coeur Dalene River Rd, Dobson Pass Rd, E Seltice Way ramp
Exemptions Local deliveries only on Coeur Dalene River Rd and Dobson Pass Rd (closed to through truck traffic). Oversized loads EB on I-84 must detour at Exit 201 via SH-25 to Exit 216. No oversized loads on I-15 NB (MM 172 to Spencer) MonThu 2026-04-13 through 2026-05-04.
Penalties Not specified
Contact Idaho Transportation Department (ITD) 511.idaho.gov/list/truckrestrictions
Primary Status Source URL https://511.idaho.gov/list/truckrestrictions

Active Restrictions by Road (25 of 46 Total Entries)

Road / Location Restriction Start Date End Date
Coeur Dalene River Rd (Riverview Dr to Prichard St) CLOSED to truck traffic; local deliveries only 2026-01-06 2026-04-15
Dobson Pass Rd (W Fork Nine Mile Creek Rd to Carbon Center Rd) CLOSED to truck traffic; local deliveries only. Width 12 ft, Length 40 ft 2025-12-08 2026-04-15
E Seltice Way ramp to I-90 EB Width 12 ft (concrete barrier) 2025-12-18 Not specified
Burley (I-84-BL) ramp to I-84 EB Width 14 ft 2025-05-18 2026-12-23
I-15 (MM 72.7 to MM 76.5) Speed 65 mph (MonFri 7:30 AM5:30 PM only) 2024-09-17 Not specified
I-15 (MM 76.5 to MM 80.9) Speed 65 mph 2024-12-03 2027-06-01
I-15 SB (MM 92.5 to MM 91) Width 20 ft, Speed 65 mph 2025-11-04 Not specified
I-15 Both Directions (Inkom to Portneuf River) Width 12 ft; NB traffic crossed to SB side; one lane each direction; speed 70 mph posted 2026-03-02 2026-10-31
I-15 NB (MM 172 to Spencer) No oversized loads. Alternating lane closures. MonThu only. 2026-04-13 2026-05-04
I-84 WB near N Overland Ave Speed 65 mph 2024-02-28 2026-12-23
I-84 WB (MM 173 to MM 168) Width 12 ft, Speed 65 mph 2023-07-27 2026-11-20
I-84 EB (MM 165 to MM 168) Width 12 ft, Speed 65 mph 2024-06-01 2026-11-17
I-84 WB (MM 168 to MM 165) Width 12 ft, Speed 65 mph 2024-10-27 2026-11-16
I-84 EB (MM 168 to MM 173) Width 12 ft, Speed 65 mph 2024-06-12 2026-11-20
I-84 Both Directions (Centennial IC to Franklin IC) Width 24 ft, Speed 55 mph; shoulder reduced to 1 ft in some areas; night work 10 PM6 AM 2023-11-03 2027-05-27
I-84 WB near I-84-BL WB Width 14 ft, Speed 65 mph 2025-11-12 2026-11-16
I-84 EB near I-84-BL EB Width 14 ft, Speed 65 mph 2026-02-08 2026-03-30
I-84 EB (MM 209 to MM 207) Width 14 ft, Speed 65 mph. Oversized loads EB must detour: Exit 201 SH-25 Exit 216. 2026-02-13 2026-07-01
I-84 EB ramp to I-84-BL EB Width 14 ft 2025-05-18 2026-05-22
I-84 EB ramp to SH-27 NB Width 14 ft 2025-05-18 2026-12-23
I-84-BL Both Directions (SH-81 EB to Snake River) Width 11 ft, Speed 35 mph; both directions reduced to one lane; pavement reconstruction 2025-09-02 2026-10-17
I-90 Both Directions at SH-41 Width 20 ft, Speed 55 mph 2023-06-20 Not specified
I-90 WB near Coeur D'Alene Lake Width 14 ft, Speed 45 mph (Tue 7:30 AM2:30 PM only); bridge inspection 2026-03-10 2026-03-10
I-90 EB near Coeur D'Alene Lake Width 14 ft, Speed 45 mph (Wed 7:30 AM2:30 PM only); bridge inspection 2026-03-11 2026-03-11
I-90 EB (Dredge Rd to S Latour Creek Rd) Width 14 ft, Speed 55 mph (MonFri 6 AM5 PM only) 2026-03-02 2026-11-02
I-184 WB near Boise River Speed 45 mph (night work 9 PM6 AM only, MonThu and Sun) 2025-06-09 Not specified

Note: 21 additional entries (page 2) were not captured in this extraction. Check Idaho 511 for the full list. Additional affected roads identified in filter options include: SH-16, SH-21, SH-33, SH-53, SH-54, SH-55, SH-71, SH-75, SH-97, US-20, US-26, US-30, I-90-BR, W Chinden Blvd, W State St, University Blvd, W 200.

Full Truck Closures Action Required

  • Coeur Dalene River Rd (Riverview Dr to Prichard St): Closed to all through truck traffic in both directions. Local deliveries only. Active 2026-01-06 through 2026-04-15.
  • Dobson Pass Rd (W Fork Nine Mile Creek Rd to Carbon Center Rd): Closed to all truck traffic and commercial trailers. Width limit 12 ft, length limit 40 ft. Local deliveries only. Active 2025-12-08 through 2026-04-15.

Notable Construction Zone Conditions

  • I-84 (Centennial IC to Franklin IC): EB and WB lanes each 24 ft wide at narrowest point (barrier to barrier). Shoulder reduced to 1 ft in some areas. Night work 10 PM6 AM. Restriction runs through 2027-05-27.
  • I-84-BL (SH-81 EB to Snake River): Both directions reduced to single lane. Width 11 ft, speed 35 mph. Pavement reconstruction. Active through 2026-10-17.
  • I-84 EB (MM 207209): Road split into two separate lanes. Width 14 ft. Oversized loads EB must detour: Exit 201 SH-25 Exit 216. Active through 2026-07-01.
  • I-15 (Inkom to Portneuf River): NB traffic routed onto SB side. One lane each direction. Width 12 ft. Active through 2026-10-31.
  • I-15 NB (MM 172 to Spencer): Alternating lane closures. No oversized loads permitted. MonThu only, 2026-04-13 through 2026-05-04.
  • I-184 WB near Boise River: Night work only (9 PM6 AM), MonThu and Sun. Speed 45 mph during work windows. No anticipated end date.
  • I-90 at SH-41: Width 20 ft, speed 55 mph. No end date specified verify current status before travel.
  • I-90 EB (Dredge Rd to S Latour Creek Rd): Width 14 ft, speed 55 mph. Restricted MonFri 6 AM5 PM only. Active through 2026-11-02.
  • E Seltice Way ramp to I-90 EB: Width 12 ft due to concrete barrier. No anticipated end date.

Exemptions

  • Local deliveries are permitted on Coeur Dalene River Rd (no through truck traffic).
  • Local deliveries are permitted on Dobson Pass Rd (no commercial trailer through traffic).
  • Oversized loads traveling I-84 EB must detour at Exit 201 via SH-25 to Exit 216 to avoid 14 ft width restriction near MM 207209.
  • No oversized loads on I-15 NB (MM 172 to Spencer) during MonThu alternating lane closures, 2026-04-13 through 2026-05-04.
  • Permit exemptions: Not specified in source data.

Weight Limits

No weight reduction, axle limit, or gross weight restriction data is present in the retrieved entries. No seasonal frost-law or spring thaw restrictions were identified. Verify current weight restrictions directly at Idaho 511.

Penalties

Not specified in source data. Contact Idaho Transportation Department for enforcement details.

Source Attribution

Primary Source: Idaho 511 Real-Time Truck Restrictions List Idaho Transportation Department (ITD).

Data retrieved: 2026-03-11T01:35:14+00:00. This page displays 25 of 46 total active entries. Conditions change frequently always verify at the source before dispatch.

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