maryland route maryland route state highway state maryland known state highway runs miles route lane divided highway entire length major commuter route southwestern northern conjunction state highway serves alternative route washington serves connection indian head naval surface warfare center originally connect instead state highway headed west turned south near prince george line following state highway built late 1920s completed mid-1930s expanded divided highway extended mid-1990s section state highway reconstructed divided highway west intersection rebuilt second continuous flow intersection route description begins continuous flow intersection indian head highway lanes leave southbound intersect northbound short distance southeast lanes intersect single lane westbound southbound lane intersects northbound northwest lanes westbound seamlessly join northbound single lane ramp northbound joins eastbound auxiliary lanes continuous flow intersection merge state highway lane divided profile intersecting manning road east unsigned serves shopping center west historic home east heads east forested area intersecting unsigned immediately crossing east stream crossing state highway intersects road old alignment continues east residential subdivisions northern tier state highway crosses tributary passes highway old alignment bunker hill road south hamlet curves southeast passing drive enters western parkway county maintained suburban boulevard parallels west gains continuous right turn lanes directions enters commercial area state highway reaches eastern terminus robert highway roadway continues east intersection business road heads southeast center intersecting east town main national_highway_system entire length history originally included road east highway modern intersection named roads met defunct intersection south foot wide gravel road constructed highway extended crossing constructed west later western parkway state highway completed gap hamilton road filled road portion reconstructed leaving bunker hill road old alignment reconstruction modern form course began early 1990s state highway expanded divided highway west road extended pair new bridges divided highway extended west new intersection state highway continued west lane road standard intersection renumbered divided highway extended west junction reconstructed continuous flow intersection intersection second continuous flow intersection junction list auxiliary route designation mile section hill road immediately north highway intersection west
Maryland Route 228