 And it's going to be a busy 4th of July on the roads for sure. If you're traveling by road over this July 4th holiday, you're not alone. More than 1.5 or nearly 1.5 million Marylanders will be traveling over this nine-day period surrounding the Independence Day holiday. AAA's Regina Alley says that drivers can also expect to be paying a little more for gasoline. Maryland's average is trending today at about $3.57 a gallon.