Start and end dates
| Load limit | Frost zone | Starting date | Ending date |
|---|---|---|---|
Winter Load Increases (WLI) | North | Dec 9, 2019 | Mar 13, 2020 |
| North-Central | Dec 9, 2019 | Mar 13, 2020 | |
| Central | Dec 15, 2019 | Mar 9, 2020 | |
| Metro | Dec 19, 2019 | Mar 6, 2020 | |
| South | Dec 17, 2019 | Mar 6, 2020 | |
| Southeast | Dec 19, 2019 | Mar 6, 2020 | |
Spring Load Restrictions (SLR) | North | Mar 13, 2020 | May 8, 2020 |
| North-Central | Mar 13, 2020 | May 8, 2020 | |
| Central | Mar 9, 2020 | May 4, 2020 | |
| Metro | Mar 6, 2020 | Apr 13, 2020 | |
| South | Mar 6, 2020 | Apr 20, 2020 | |
| Southeast | Mar 6, 2020 | Apr 13, 2020 | |
Middle-Range Overweight Permits | North | May 8, 2020 | |
| North-Central | May 8, 2020 | ||
| Central | May 4, 2020 | ||
| Metro | Apr 13, 2020 | ||
| South | Apr 20, 2020 | ||
| Southeast | Apr 13, 2020 | ||
Full-Summer Overweight Permits | North | May 21, 2020 | |
| North-Central | May 21, 2020 | ||
| Central | May 18 2020 | ||
| Metro | Apr 27, 2020 | ||
| South | May 4, 2020 | ||
| Southeast | Apr 27, 2020 |
All starting and ending dates begin at 12:01 a.m. and are preceded by at least a three-day advance notice. Notice is available on this website, or from a recording at 651-366-5400 or toll free at 1-800-723-6543 or automatically by subscribing to receive e-mail updates.