Prohibiting the State Highway Administration from closing the portion of Interstate 70 that is east of Interstate 695 in the Baltimore region to allow for the construction of the Red Line transit project expansion; requiring the Administration to keep open and maintain for use by motor vehicles the portion of Interstate 70 that is east of Interstate 695 in the Baltimore region whether or not the Red Line transit project is constructed; requiring the Administration to obtain specified consent; and making the Act an emergency measure.