 Ramba uchiverenga ndima iyi - Chikamu cheUS 40 chinoshanduka pakati peFrederick neBoonsboro chinotevera nzira yeMonocacy Road, nzira yemabhiza inotungamirirwa nevanogara kubva kuPennsylvania munenge muna 1730. Nzira yacho yaibatanidza Philadelphia, Lancaster, uye Hanover neWinchester, Virginia nenzira yazvino Taneytown, Frederick, Boonsboro, uye Williamsport. Chikamu cheMonocacy Road kubva kuFrederick kuenda kuWilliamsport chakashandiswa neBraddock Expeditioniri munzira kubva kuAlexandria ichienda kuCumberland kuti itange kurwisa kwayo Fort Duquesne. Kutevera kuvambwa kweHagerstown muna 1762, mugwagwa wakaiswa kuchamhembe kubva kuBoonsboro kubatanidza guta idzva nechikamu chekumabvazuva chekoloni. Nepo nzira yeMonocacy yose zvayo isina kushandiswa na1794, chikamu chakateverwa neU.S. 40 Alternate chakaramba chiri kubatana kwakakosha pakati peBaltimore neWestern Maryland. 