The state Transportation Department is shutting down road construction projects for the busy Fourth of July holiday weekend.
Construction-related lane closures were suspended on interstates and state highways at midnight and running through 6 a.m. on Tuesday.
The AAA auto club projects that nearly 43 million people will be traveling this weekend. That would be a new Fourth of July travel record.
More than three-quarters of travelers will be driving on U.S. roads, including more than 744,000 in Tennessee.