Your Ultimate Guide to Maryland Airport Transportation: Schedules, Rates, and Insider Tips If you're headed to Baltimore it is possible to take Baltimore's Maryland Transit Administration train service, which starts from the lower levels of the terminal next to Concourse E. Going to or from one of the major Maryland airports with no plan can become a stressful one. No matter if you are heading to BWI, DCA, or IAD being conscious of the Maryland Airport Transportation options can make the difference between an enjoyable and timely trip. Visit: https://marylandblackcar.com/your-ultimate-guide-to-maryland-airport-transportation-schedules-rates-and-insider-tips/