367 		case MP_RAILWAY_BRIDGE: {

   368 			TrackBits trackbits = GetTrackBits(tile);

   369 

   370 			/* The track the user is seeking to remove is not there */

   371 			if ((trackbits & trackbit) == 0) return CMD_ERROR;

   372 

   373 			trackbits ^= trackbit; /* configuration after removal */

   374 			/* For the time being, we make sure that the bridge has some kind of exit */

   375 			switch (GetBridgeRampDirection(tile)) {

   376 				case DIAGDIR_NE:

   377 					if ((trackbits & TRACK_BIT_3WAY_NE) == 0) return CMD_ERROR;

   378 					break;

   379 				case DIAGDIR_SE:

   380 					if ((trackbits & TRACK_BIT_3WAY_SE) == 0) return CMD_ERROR;

   381 					break;

   382 				case DIAGDIR_SW:

   383 					if ((trackbits & TRACK_BIT_3WAY_SW) == 0) return CMD_ERROR;

   384 					break;

   385 				case DIAGDIR_NW:

   386 					if ((trackbits & TRACK_BIT_3WAY_NW) == 0) return CMD_ERROR;

   387 					break;

   388 				default:

   389 					NOT_REACHED();

   390 			}

   391 		} /* Fall through */

   392