Alabama truck lane restriction proposed at statehouse by admin | Dec 30, 2017 highways for professional drivers. State law already requires vehicles traveling below the posted speed limit on interstates and U.S. highways to stay to the right. Powered by WPeMatico Share this:Tweet Related Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.