Middle River Aircraft Systems is located just north of the Baltimore city limits in Eastern Baltimore County, Maryland. The facility is just minutes from major thoroughfares including Interstate 95 and by Route 40 and adjacent to notable Maryland landmark Glenn L. Martin State Airport. For printable directions to and from Baltimore Washington International (BWI) Airport in Baltimore, click the PDF tab below. Or for online driving directions to our facility from Google Maps, click the map to access Google map tab .