Roads 85 Railroads 27 History 21 Church records and registers 12 Description and travel 12 Design and construction 12 Toll roads 10 more ... Bridges 6 Streets 6 Canals 5 Cemeteries 5 Recreation areas 5 Transportation 5 Highway law 4 Hotels & taverns 4 Plank roads 4 Commerce 3 Golf 3 Historic buildings 3 Outdoor recreation 3 Recording 3 Residential streets 3 Central business districts 2 Early works to 1850 2 Estimates 2 Express highways 2 Finance 2 Highway planning 2 Indian trails 2 Parks 2 Participation, French 2 Pioneers 2 Quakers 2 Railroad companies 2 Rivers 2 Routes 2 Signs 2 Snow removal 2 Trade routes 2 Trails 2 less ...