2181 			// Clear the tunnel and continue at the other side of it.

  2181 			// Clear the tunnel and continue at the other side of it.

  2182 			if (CmdFailed(DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR)))

  2182 			if (CmdFailed(DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR)))

  2183 				return false;

  2183 				return false;

  2184 			p->ai.cur_tile_a = TILE_MASK(_build_tunnel_endtile - TileOffsByDiagDir(p->ai.cur_dir_a));

  2184 			p->ai.cur_tile_a = TILE_MASK(_build_tunnel_endtile - TileOffsByDiagDir(p->ai.cur_dir_a));

  2185 			return true;

  2185 			return true;

  2189 			// Check if the bridge points in the right direction.

  2187 			// Check if the bridge points in the right direction.

  2190 			// This is not really needed the first place AiRemoveTileAndGoForward is called.

  2188 			// This is not really needed the first place AiRemoveTileAndGoForward is called.

  2191 			if (DiagDirToAxis(GetBridgeRampDirection(tile)) != (p->ai.cur_dir_a & 1U)) return false;

  2189 			if (DiagDirToAxis(GetBridgeRampDirection(tile)) != (p->ai.cur_dir_a & 1U)) return false;

  2192 

  2190 

  2193 			tile = GetOtherBridgeEnd(tile);

  2191 			tile = GetOtherBridgeEnd(tile);

  3702 				CMD_REMOVE_ROAD);

  3700 				CMD_REMOVE_ROAD);

  3703 		}

  3701 		}

  3704 	} else if (IsTileType(tile, MP_TUNNELBRIDGE)) {

  3702 	} else if (IsTileType(tile, MP_TUNNELBRIDGE)) {

  3705 		if (!IsTileOwner(tile, _current_player) ||

  3703 		if (!IsTileOwner(tile, _current_player) ||

  3706 				!IsBridge(tile) ||

  3704 				!IsBridge(tile) ||

  3708 				GetBridgeTransportType(tile) != TRANSPORT_RAIL) {

  3705 				GetBridgeTransportType(tile) != TRANSPORT_RAIL) {

  3709 			return;

  3706 			return;

  3710 		}

  3707 		}

  3711 

  3708 

  3712 		rails = 0;

  3709 		rails = 0;