"Temporary traffic signal installed until aprox Fall of 2026. Height limit is 17'."
| Field | Detail |
|---|---|
| Status | Active 6 restriction records currently listed across SH-21, SH-53, SH-71, SH-97, and US-26 in the Idaho 511 system |
| Status Timestamp | 2026-07-28T18:01:54+00:00 |
| Coverage | Partial: specific segments of SH-21, SH-53, SH-71, SH-97, and US-26 as listed in the Idaho 511 feed. State highways and US routes only. Not a comprehensive listing of all Idaho state roads. No local road coverage. |
| Effective Dates | Earliest start: 2023-01-23 (SH-21, SH-97 length limits). SH-53 height limit active since 2025-02-26, through approx. 2026-10-01 (Fall 2026). SH-53 width restriction (N McGuire Rd): 2026-07-14 through 2026-08-07. SH-71 permanent length limit since 2023-09-20. US-26 advisory since 2025-01-01. See per-road table below. |
| Weight Limits | No gross weight reduction, axle limit, or seasonal frost-law weight restriction data present in current records. All active restrictions are geometric (length, height, width) or advisory. Verify directly at Idaho 511. |
| Key Roads | SH-21 (Vale Way to NF-24): permanent 65 ft length limit; SH-53 near W Prairie Ave: temporary 17 ft height limit through approx. Fall 2026; SH-53 (N McGuire Rd): ~12 ft width restriction through 2026-08-07; SH-71 (MM 13 to MM 1, both directions): permanent 65 ft length limit; SH-97 (MM 61 to MM 96, both directions): 65 ft length restriction; US-26 near SH-24/SH-75/US-93 intersection Shoshone: lowboy railroad crossing advisory |
| Exemptions | Permitted vehicle combinations hauling non-reducible loads are exempt from the 65 ft overall length restriction on SH-21 and SH-71. Permit exemptions for SH-97, SH-53, and US-26 not specified in source data. |
| 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
| Road / Location | Restriction | Start Date | End Date |
|---|---|---|---|
| SH-21 (Vale Way to NF-24) | Permanent length limit: 65 ft overall. Semitrailers 48 ft or less may not exceed 65 ft overall length due to narrow roadway. Permitted vehicle combinations hauling non-reducible loads are exempt. | 2023-01-23 | No end date (permanent) |
| SH-53 near W Prairie Ave | Temporary height limit: 17 ft due to temporary traffic signal installation. Expected through approximately Fall 2026 (approx. 2026-10-01). | 2025-02-26 | Approx. 2026-10-01 |
| SH-53 (N McGuire Rd, both directions) | Width restriction: ~12 ft due to construction staging (narrow lanes). | 2026-07-14 | 2026-08-07 |
| SH-71 (Both Directions, MM 13 to MM 1, NF-009 to Idaho/Oregon Border) | Permanent length limit: 65 ft overall. Semitrailers 48 ft or less may not exceed 65 ft overall length due to narrow roadway. Permitted vehicle combinations hauling non-reducible loads are exempt. | 2023-09-20 | No end date (permanent) |
| SH-97 (Both Directions, MM 61 to MM 96) | Length restriction: 65 ft overall. | 2023-01-23 | Not specified |
| US-26 (Both Directions, near SH-24/SH-75/US-26/US-93 intersection, Shoshone) | Oversize transport advisory: Lowboy trailers must NOT cross railroad tracks at this intersection tracks are significantly higher than the roadway. | 2025-01-01 | Not specified |
Width Restriction SH-53 at N McGuire Rd
- SH-53 (N McGuire Rd, both directions): Width restriction of approximately 12 ft due to construction staging creating narrow lanes. Active 2026-07-14 through 2026-08-07. Drivers on SH-53 must account for both this width restriction and the separate height limit near W Prairie Ave when planning routes through this corridor.
Height Limit SH-53 near W Prairie Ave
- SH-53 (near W Prairie Ave): Temporary height limit of 17 ft due to a temporary traffic signal installation. Active since 2025-02-26, expected through approximately Fall 2026 (approx. 2026-10-01). Verify current status before dispatch on this route.
Permanent and Long-Term Length Limits
- SH-21 (Vale Way to NF-24): Permanent 65 ft overall length limit. Semitrailers of 48 ft or less are subject to this limit no combination may exceed 65 ft overall due to narrow roadway. Permitted vehicle combinations hauling non-reducible loads are exempt. In effect since 2023-01-23.
- SH-71 (Both Directions, MM 13 to MM 1, NF-009 to Idaho/Oregon Border): Permanent 65 ft overall length limit. Semitrailers of 48 ft or less are subject to this limit due to narrow roadway. Permitted vehicle combinations hauling non-reducible loads are exempt. In effect since 2023-09-20.
- SH-97 (Both Directions, MM 61 to MM 96): 65 ft overall length restriction. In effect since 2023-01-23. No end date specified in source data.
Oversize Advisory US-26 Near Shoshone
- US-26 near SH-24/SH-75/US-26/US-93 intersection (Shoshone): "If using a lowboy trailer, DO NOT cross railroad tracks at SH-75/US-26/US-93 intersection in Shoshone. The tracks are significantly higher than the roadway." This is a standing safety advisory requiring advance route planning for all lowboy operators. Active since 2025-01-01. No end date specified.
Exemptions
- Permitted vehicle combinations hauling non-reducible loads are exempt from the 65 ft overall length restriction on SH-21 (Vale Way to NF-24).
- Permitted vehicle combinations hauling non-reducible loads are exempt from the 65 ft overall length restriction on SH-71 (MM 13 to MM 1, NF-009 to Idaho/Oregon Border).
- An oversize/overweight permit is required to qualify for the non-reducible load exemption on SH-21 and SH-71.
- Permit exemptions for SH-97, SH-53, and US-26: Not specified in source data.
Weight Limits
No gross weight reduction, axle limit, or seasonal frost-law (spring thaw) weight restriction data is present in the current 6 listed records. All restrictions in this snapshot are geometric (length, height, width) or advisory-based. 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: 2026-07-28T18:01:54+00:00. 6 active restriction records were visible at time of retrieval. Conditions change frequently always verify at the source before dispatch. No gross weight or axle weight limits were observed in the current data. All active records reflect geometric, advisory, or lane-operational restrictions, not seasonal load limits.
