--- a/npf.c	Wed Mar 22 22:38:29 2006 +0000
+++ b/npf.c	Thu Mar 23 17:52:08 2006 +0000
@@ -548,6 +548,8 @@
 			} else {
 				dst_tile = INVALID_TILE; /* Road vehicle heading inwards: dead end */
 			}
+		} else {
+			dst_tile = AddTileIndexDiffCWrap(src_tile, TileIndexDiffCByDir(exitdir));
 		}
 	} else {
 		/* This a normal tile, a bridge, a tunnel exit, etc. */