1970 House Bill 1151. An Act Establishing A Program To Make Possible The Industrial Or Residential Development Of Certain Areas, Now Handicapped By Inadequate Access Road Highway Bridges Over The Tracks Of Railroads, By The Systematic And Orderly Conveyance Of The Maintenance Responsibility For All Vehicular Bridges Carrying Public Ways Over The Tracks Or Rights-Of-Way Of Public Railroads Within The Commonwealth Of Massachusetts, From The Municipality Of The Railroad, Or Both, To The Department Of Public Works Of Said Commonwealth.