diff --git a/App/sims/tourismustal/js/iso.js b/App/sims/tourismustal/js/iso.js
index ec54fcd..56c8ae5 100644
--- a/App/sims/tourismustal/js/iso.js
+++ b/App/sims/tourismustal/js/iso.js
@@ -1415,12 +1415,16 @@ export class IsoRenderer {
         const fi = pr * segs;
         const i0 = Math.min(segs - 1, Math.floor(fi));
         const f = fi - i0;
-        const bx = pts[i0].x + (pts[i0 + 1].x - pts[i0].x) * f;
-        const by = pts[i0].y + (pts[i0 + 1].y - pts[i0].y) * f - 4;
-        const ang = Math.atan2(pts[i0 + 1].y - pts[i0].y, pts[i0 + 1].x - pts[i0].x);
+        const sdx = pts[i0 + 1].x - pts[i0].x;
+        const sdy = pts[i0 + 1].y - pts[i0].y;
+        const bx = pts[i0].x + sdx * f;
+        const by = pts[i0].y + sdy * f - 4;
         ctx.save();
         ctx.translate(bx, by);
-        ctx.rotate(ang * 0.45);
+        // Blickrichtung: Rad zeigt in Fahrtrichtung (spiegeln statt rotieren),
+        // dazu nur eine LEICHTE Bergab-Neigung – sonst stehen sie kopf.
+        ctx.scale(sdx < 0 ? -1 : 1, 1);
+        ctx.rotate(Math.atan2(sdy, Math.abs(sdx) || 0.01) * 0.3);
         // Räder
         ctx.strokeStyle = '#2f3e46'; ctx.lineWidth = 1.1;
         ctx.beginPath(); ctx.arc(-3.2, 1.5, 2.1, 0, 7); ctx.stroke();