<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.milton c. hallberg ameandaa orodha ya bure ya habari ya msingi juu ya barabara za reli zaidi ya 6,900, ikiwa ni pamoja na reli za sasa za kuu na za kugeuza na za mwisho, pamoja na barabara zote za uendeshaji zilizopo nchini marekani na canada tangu barabara ya kwanza - granite reli - ilisafirishwa huko massachusetts mwaka wa 1826.  <response>: milton c. hallberg has compiled a free database of basic information on over 6,900 railroads, including currently existing mainline and switching and terminal railroads, as well as of all operating railroads that have existed in the united states and canada since the first railroad - the granite railway - was chartered 