2156 			// Clear the tunnel and continue at the other side of it.

  2156 			// Clear the tunnel and continue at the other side of it.

  2157 			if (CmdFailed(DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR)))

  2157 			if (CmdFailed(DoCommand(tile, 0, 0, DC_EXEC, CMD_LANDSCAPE_CLEAR)))

  2158 				return false;

  2158 				return false;

  2159 			p->ai.cur_tile_a = TILE_MASK(_build_tunnel_endtile - TileOffsByDir(p->ai.cur_dir_a));

  2159 			p->ai.cur_tile_a = TILE_MASK(_build_tunnel_endtile - TileOffsByDir(p->ai.cur_dir_a));

  2160 			return true;

  2160 			return true;

  2164 			// Check if the bridge points in the right direction.

  2162 			// Check if the bridge points in the right direction.

  2165 			// This is not really needed the first place AiRemoveTileAndGoForward is called.

  2163 			// This is not really needed the first place AiRemoveTileAndGoForward is called.

  2166 			if (DiagDirToAxis(GetBridgeRampDirection(tile)) != (p->ai.cur_dir_a & 1U)) return false;

  2164 			if (DiagDirToAxis(GetBridgeRampDirection(tile)) != (p->ai.cur_dir_a & 1U)) return false;

  2167 

  2165 

  2168 			tile = GetOtherBridgeEnd(tile);

  2166 			tile = GetOtherBridgeEnd(tile);

  3690 				CMD_REMOVE_ROAD);

  3688 				CMD_REMOVE_ROAD);

  3691 		}

  3689 		}

  3692 	} else if (IsTileType(tile, MP_TUNNELBRIDGE)) {

  3690 	} else if (IsTileType(tile, MP_TUNNELBRIDGE)) {

  3693 		if (!IsTileOwner(tile, _current_player) ||

  3691 		if (!IsTileOwner(tile, _current_player) ||

  3694 				!IsBridge(tile) ||

  3692 				!IsBridge(tile) ||

  3696 				GetBridgeTransportType(tile) != TRANSPORT_RAIL) {

  3693 				GetBridgeTransportType(tile) != TRANSPORT_RAIL) {

  3697 			return;

  3694 			return;

  3698 		}

  3695 		}

  3699 

  3696 

  3700 		rails = 0;

  3697 		rails = 0;