Advisories


If you don't have an account, click here to sign up for personalized notifications.

"Alerts"
Region Message Notes Last Updated
Boise/Treasure Valley, Coeur D'Alene, Idaho Falls/Pocatello, Lewiston, Sun Valley/Ketchum, Twin Falls Idaho Spring Breakup Restrictions in Effect; use Trucker Information>Restrictions layer for roadway information During Idaho's spring breakup season, the Idaho Transportation Department (ITD) may impose load and speed restrictions on state highways to protect roadways and public safety, including maximum weight limits, axle weight limits, and speed restrictions.
Here's a more detailed breakdown:
1. Purpose of Restrictions:
The restrictions are implemented to protect the highway subgrade and surface, and to ensure the safety of the public and the efficient flow of traffic.
They are in place to prevent damage to roadways caused by frost heaves and breakup.
2. How Restrictions are Implemented:
Posted Signs:
Routes or sections of routes will be posted with signs indicating the restricted loadings.
Red and Green Markers:
Red markers indicate a speed restriction of 30 mph, while green markers indicate that legal speed may be resumed.
Enforcement:
The weight and/or speed restrictions will be enforced the day after signs and marks are posted. y impose load and speed restrictions on state highways to protect roadways and public safety, including maximum weight limits, axle weight limits, and speed restrictions. 
Here's a more detailed breakdown:
1. Purpose of Restrictions:
  • The restrictions are implemented to protect the highway subgrade and surface, and to ensure the safety of the public and the efficient flow of traffic. 
  • They are in place to prevent damage to roadways caused by frost heaves and breakup. 
2. How Restrictions are Implemented:
  • Posted Signs:
Routes or sections of routes will be posted with signs indicating the restricted loadings. 
  • Red and Green Markers:
Red markers indicate a speed restriction of 30 mph, while green markers indicate that legal speed may be resumed. 
  • Enforcement:
The weight and/or speed restrictions will be enforced the day after signs and marks are posted. 
 
https://itd.idaho.gov/news/spring-road-restrictions-will-start-going-into-effect-on-north-idaho-roadways-as-early-as-tomorrow/
 
https://itd.idaho.gov/tag/speed-limits/
 
Mar 13 2025, 8:34 AM