In the Operational (beta) dashboard you'll be able to see for each asset if there are any restrictions (e.g. an imposed speed limit) to take into account.
To add a new restriction to an asset you click the Restriction button and,at the bottom of the pop up, click the "add restriction" button.
Next, fill out the restriction form: select the restriction type from the drop down menu and enter a comment if relevant (optional). Click on the "create restriction" button at the bottom of the form to save your new restriction.
Need to edit a restriction? Click the "Restriction" button again in the Operational (beta) dashboard and click on the little pencil icon next to the restriction you wish to modify. Save your changes and you're all set!
To remove a restriction from an asset you click the "X" icon next to the restriction you wish to remove.