### - r -

- RAIL_GROUND_BARREN : rail_map.h
- RAIL_GROUND_FENCE_HORIZ1 : rail_map.h
- RAIL_GROUND_FENCE_HORIZ2 : rail_map.h
- RAIL_GROUND_FENCE_NE : rail_map.h
- RAIL_GROUND_FENCE_NESW : rail_map.h
- RAIL_GROUND_FENCE_NW : rail_map.h
- RAIL_GROUND_FENCE_SE : rail_map.h
- RAIL_GROUND_FENCE_SENW : rail_map.h
- RAIL_GROUND_FENCE_SW : rail_map.h
- RAIL_GROUND_FENCE_VERT1 : rail_map.h
- RAIL_GROUND_FENCE_VERT2 : rail_map.h
- RAIL_GROUND_GRASS : rail_map.h
- RAIL_GROUND_HALF_SNOW : rail_map.h
- RAIL_GROUND_ICE_DESERT : rail_map.h
- RAIL_GROUND_WATER : rail_map.h
- RAIL_TILE_DEPOT : rail_map.h
- RAIL_TILE_NORMAL : rail_map.h
- RAIL_TILE_SIGNALS : rail_map.h
- RAILTYPE_BEGIN : rail_type.h
- RAILTYPE_ELECTRIC : rail_type.h
- RAILTYPE_END : rail_type.h
- RAILTYPE_MAGLEV : rail_type.h
- RAILTYPE_MONO : rail_type.h
- RAILTYPE_RAIL : rail_type.h
- RAILTYPES_ELECTRIC : rail_type.h
- RAILTYPES_MAGLEV : rail_type.h
- RAILTYPES_MONO : rail_type.h
- RAILTYPES_NONE : rail_type.h
- RAILTYPES_RAIL : rail_type.h
- RAILVEH_MULTIHEAD : engine_type.h
- RAILVEH_SINGLEHEAD : engine_type.h
- RAILVEH_WAGON : engine_type.h
- RATING_GROWTH_MAXIMUM : town_type.h
- RATING_GROWTH_UP_STEP : town_type.h
- RATING_INITIAL : town_type.h
- RATING_OUTSTANDING : town_type.h
- RATING_ROAD_DOWN_STEP_EDGE : town_type.h
- RATING_ROAD_DOWN_STEP_INNER : town_type.h
- RATING_ROAD_MINIMUM : town_type.h
- RATING_ROAD_NEEDED_HOSTILE : town_type.h
- RATING_ROAD_NEEDED_NEUTRAL : town_type.h
- RATING_ROAD_NEEDED_PERMISSIVE : town_type.h
- RATING_STATION_DOWN_STEP : town_type.h
- RATING_STATION_UP_STEP : town_type.h
- RATING_TUNNEL_BRIDGE_DOWN_STEP : town_type.h
- RATING_TUNNEL_BRIDGE_MINIMUM : town_type.h
- RATING_TUNNEL_BRIDGE_NEEDED_HOSTILE : town_type.h
- RATING_TUNNEL_BRIDGE_NEEDED_NEUTRAL : town_type.h
- RATING_TUNNEL_BRIDGE_NEEDED_PERMISSIVE : town_type.h
- RDE_NEXT_TILE : roadveh.h
- RDE_TURNED : roadveh.h
- RECOLOUR_BIT : sprites.h
- REFRESH_GAMEINFO_X_REQUERIES : network_gamelist.cpp
- REQUERY_EVERY_X_GAMELOOPS : network_gamelist.cpp
- ROAD_ALL : road_type.h
- ROAD_E : road_type.h
- ROAD_N : road_type.h
- ROAD_NE : road_type.h
- ROAD_NONE : road_type.h
- ROAD_NW : road_type.h
- ROAD_S : road_type.h
- ROAD_SE : road_type.h
- ROAD_SW : road_type.h
- ROAD_W : road_type.h
- ROAD_X : road_type.h
- ROAD_Y : road_type.h
- ROADSTOP_BUS : station_type.h
- ROADSTOP_TRUCK : station_type.h
- ROADTYPE_BEGIN : road_type.h
- ROADTYPE_END : road_type.h
- ROADTYPE_ROAD : road_type.h
- ROADTYPE_TRAM : road_type.h
- ROADTYPES_ALL : road_type.h
- ROADTYPES_END : road_type.h
- ROADTYPES_NONE : road_type.h
- ROADTYPES_ROAD : road_type.h
- ROADTYPES_TRAM : road_type.h
- RTBO_SLOPE : rail.h
- RTBO_X : rail.h
- RTBO_Y : rail.h
- RTF_CATENARY : rail.h
- RTO_CROSSING_XY : rail.h
- RTO_E : rail.h
- RTO_JUNCTION_NE : rail.h
- RTO_JUNCTION_NSEW : rail.h
- RTO_JUNCTION_NW : rail.h
- RTO_JUNCTION_SE : rail.h
- RTO_JUNCTION_SW : rail.h
- RTO_N : rail.h
- RTO_S : rail.h
- RTO_SLOPE_NE : rail.h
- RTO_SLOPE_NW : rail.h
- RTO_SLOPE_SE : rail.h
- RTO_SLOPE_SW : rail.h
- RTO_W : rail.h
- RTO_X : rail.h
- RTO_Y : rail.h
- RTSG_BRIDGE : rail.h
- RTSG_CROSSING : rail.h
- RTSG_CURSORS : rail.h
- RTSG_DEPOT : rail.h
- RTSG_FENCES : rail.h
- RTSG_GROUND : rail.h
- RTSG_OVERLAY : rail.h
- RTSG_PYLONS : rail.h
- RTSG_TUNNEL : rail.h
- RTSG_WIRES : rail.h
- RVS_DRIVE_SIDE : roadveh.h
- RVS_IN_DT_ROAD_STOP : roadveh.h
- RVS_IN_ROAD_STOP : roadveh.h
- RVS_USING_SECOND_BAY : roadveh.h
- RVSB_IN_DEPOT : roadveh.h
- RVSB_IN_DT_ROAD_STOP : roadveh.h
- RVSB_IN_ROAD_STOP : roadveh.h
- RVSB_ROAD_STOP_TRACKDIR_MASK : roadveh.h
- RVSB_TRACKDIR_MASK : roadveh.h
- RVSB_WORMHOLE : roadveh.h