The Monroe Expressway is an alternative route to the U.S. 74 corridor located southeast of Charlotte, extending from Stallings to Marshville in Union County. Also known as Toll U.S. 74 Bypass, the Monroe Expressway is North Carolina’s newest all-electronic toll road, meaning no toll booths and no stopping. You can order a transponder by mail or purchase one at the Customer Service Center in Monroe. This transponder will allow you to pay 35% less than a bill by mail. If you don’t get a transponder, the cameras will take a photo of your license plate and you will receive a bill by mail at the higher rate.