diff --git a/tasks/enduro-trails/prototype/app.py b/tasks/enduro-trails/prototype/app.py
index c390236..fde7041 100644
--- a/tasks/enduro-trails/prototype/app.py
+++ b/tasks/enduro-trails/prototype/app.py
@@ -282,28 +282,43 @@ def calc_route_stats(geometry: dict, conn) -> dict | None:
             if grid_key in grid_cache:
                 hw, tt = grid_cache[grid_key]
             else:
-                # Bbox ~300м вокруг точки
-                delta = 0.003
+                # Tight bbox ~150m — index on (min_lon, max_lon, min_lat, max_lat) is used
+                # No ORDER BY to avoid full scan; first bbox hit is good enough for stats
+                delta = 0.0015
                 try:
                     cur.execute("""
                         SELECT highway_type, track_type
                         FROM trails
                         WHERE min_lon <= ? AND max_lon >= ?
                           AND min_lat <= ? AND max_lat >= ?
-                        ORDER BY ABS((min_lon + max_lon) / 2.0 - ?) +
-                                 ABS((min_lat + max_lat) / 2.0 - ?)
                         LIMIT 1
                     """, (
                         mid_lon + delta, mid_lon - delta,
                         mid_lat + delta, mid_lat - delta,
-                        mid_lon, mid_lat
                     ))
                     row = cur.fetchone()
                     if row:
                         hw = (row["highway_type"] or "").lower()
                         tt = (row["track_type"] or "").lower()
                     else:
-                        hw, tt = "asphalt", ""
+                        # Widen search to ~500m if nothing found nearby
+                        delta2 = 0.005
+                        cur.execute("""
+                            SELECT highway_type, track_type
+                            FROM trails
+                            WHERE min_lon <= ? AND max_lon >= ?
+                              AND min_lat <= ? AND max_lat >= ?
+                            LIMIT 1
+                        """, (
+                            mid_lon + delta2, mid_lon - delta2,
+                            mid_lat + delta2, mid_lat - delta2,
+                        ))
+                        row = cur.fetchone()
+                        if row:
+                            hw = (row["highway_type"] or "").lower()
+                            tt = (row["track_type"] or "").lower()
+                        else:
+                            hw, tt = "asphalt", ""
                 except Exception:
                     hw, tt = "asphalt", ""
                 grid_cache[grid_key] = (hw, tt)