maryland route maryland route mile state highway maryland united_states route runs vienna northwest intersecting route ends lane undivided road length passes agricultural areas road passes communities preston way encounters routes journey including near preston area route forms addition route intersects near preston present day designated established moved new alignment crossed cambridge bridge built designated run vienna ends shortened southernmost portion curtailed following completion bypass vienna 1990s northern terminus route cut state maintained portion dover road dover street turned city route description national_highway_system principal arterial town begins interchange vienna short distance west interchange route heads north vienna road lane undivided road passes wooded areas set power lines abandoned railroad line located east road continues farmland rural residences alongside road approaches grove road loops west route continues mix woodland farmland paralleling power lines abandoned railroad reaches intersects road intersection route makes left turn run concurrent heading west road leaves heads farmland splits turning north intersection church road passes residences heading farm fields enters heads residential areas changing jackson street intersection passes residences intersecting delaware avenue past road passes homes heads downtown area crosses maryland delaware railroad past intersection heads northwest academy street past numerous homes road leaves leaving road corner road heads farmland road turns west continues agricultural areas intermittent residences comes intersection makes right turn head north head north mix woods farms residences road continues rural areas increasing number residences approaches preston area road intersects western terminus preston road near car past intersection continue northwest preston road caroline counties road crosses entering preston loops west road past road enters preston main street passing residences businesses route intersects maple avenue reaching center town splits heading northeast harmony road past intersection route passes residences leaving preston dover bridge road heads north rural areas woods farms residences road road turns northwest intersects road turns west continues residential community intersects past road continues past rural residences enters wetlands approaches crosses dover bridge swing bridge entering route dover road continues northwest mix woodland farmland turns west number residences increasing approaches reaching heads commercial industrial areas route ends intersection dover road continues west local road downtown history original state roads marked improvement paved sections highway approaches dover bridge state road paved corner corner organized state road section vienna highway miles pavement south completed remainder highway construction miles section road completed north vienna gap vienna filled vienna completed rerouted pass vienna new dover bridge replacing bridge built 19th century completed original swapped routes assumed vienna seen little change realigned southern terminus truncated newly constructed interchange vienna shortly bypassed vienna northern terminus rolled twice state highway rolled park street truncated junction list auxiliary routes designation mile section road near preston designation mile section near intersection road line near preston designation mile section road terminus southeast preston
Maryland Route 331