diff --git a/content/worlds/baldurs-gate/world.json b/content/worlds/baldurs-gate/world.json
index c5aff823..85bdbf33 100644
--- a/content/worlds/baldurs-gate/world.json
+++ b/content/worlds/baldurs-gate/world.json
@@ -50,6 +50,18 @@
     {"id": "loc-reithwin", "name": "Reithwin & the Lifting Shadow", "description": "The Shadow-Cursed Lands around Moonrise Towers, where Ketheric Thorm's curse of Shar is slowly lifting since his fall — Last Light Inn rekindles, the dead grow quieter, and survivors return to a poisoned country to see what crawled out of the dark.", "connections": ["loc-wyrms-crossing"], "tags": ["wilds", "shadow", "ruins"]},
     {"id": "loc-candlekeep", "name": "Candlekeep", "description": "The great fortress-library on the Sword Coast, hoarding the world's knowledge behind a one-book toll. If the truth about the Crown of Karsus, the Emperor's past, or a loose illithid is written anywhere, it is here — guarded by Avowed who do not love visitors.", "connections": ["loc-wyrms-crossing"], "tags": ["lore", "library", "secrets"]}
   ],
+  "world_graph": {
+    "seed": "baldurs-gate-loop-10-route-kinds",
+    "provenance": "authored",
+    "edges": [
+      {"from_id": "loc-lower-city",      "to_id": "loc-upper-city",      "route_kind": "street", "minutes":    8, "difficulty": "easy",   "danger": 1, "tags": ["urban", "uphill", "fist-checkpoint"]},
+      {"from_id": "loc-lower-city",      "to_id": "loc-outer-city",      "route_kind": "street", "minutes":   12, "difficulty": "easy",   "danger": 2, "tags": ["urban", "basilisk-gate", "slums-edge"]},
+      {"from_id": "loc-outer-city",      "to_id": "loc-wyrms-crossing",  "route_kind": "bridge", "minutes":   18, "difficulty": "easy",   "danger": 2, "tags": ["chionthar", "fist-toll", "wyrms-rock"]},
+      {"from_id": "loc-wyrms-crossing",  "to_id": "loc-elturel",         "route_kind": "road",   "minutes": 1440, "difficulty": "normal", "danger": 3, "tags": ["risen-road", "south", "hellrider-patrol"]},
+      {"from_id": "loc-wyrms-crossing",  "to_id": "loc-reithwin",        "route_kind": "road",   "minutes": 2160, "difficulty": "hard",   "danger": 5, "tags": ["shadow-cursed", "north", "lifting"]},
+      {"from_id": "loc-wyrms-crossing",  "to_id": "loc-candlekeep",      "route_kind": "road",   "minutes": 5760, "difficulty": "normal", "danger": 2, "tags": ["coast-road", "west", "avowed-watch"]}
+    ]
+  },
   "factions": [
     {"id": "fac-flaming-fist", "name": "The Flaming Fist", "description": "The Gate's mercenary army and de facto police, overstretched and leaderless-feeling with the Steel Watch gone and the dukedom contested. Honorable in the ranks, political at the top.", "reputation": 1},
     {"id": "fac-guild", "name": "The Guild", "description": "Baldur's Gate's vast thieves' network — smuggling, protection, information. Pragmatic, everywhere, and the ones who actually know what moves in the dark.", "reputation": 0},
diff --git a/servers/engine/models.py b/servers/engine/models.py
index 0bc60dbe..49b0c82a 100644
--- a/servers/engine/models.py
+++ b/servers/engine/models.py
@@ -858,7 +858,14 @@ class WorldGraphEdge(_StrictModel):
 
     from_id: str
     to_id: str
-    route_kind: Literal["street", "road", "trail", "sea", "river", "passage", "portal"] = "road"
+    # Loop-10 #381: added "ferry" (was already a dead branch in screen-map.jsx
+    # edgeStyle), "bridge" (Wyrm's Crossing — the BG canon load-bearing crossing
+    # over the Chionthar), "underground" (Underdark passages — coming with #380
+    # when the Underdark / Bhaal Temple POIs land).
+    route_kind: Literal[
+        "street", "road", "trail", "sea", "river", "passage", "portal",
+        "ferry", "bridge", "underground",
+    ] = "road"
     minutes: Optional[int] = Field(None, ge=1)
     distance: Optional[float] = Field(None, ge=0)
     difficulty: Literal["easy", "normal", "hard", "hazardous"] = "normal"
diff --git a/viewer/openworlds/screen-map.jsx b/viewer/openworlds/screen-map.jsx
index 73da06f0..ce1fb942 100644
--- a/viewer/openworlds/screen-map.jsx
+++ b/viewer/openworlds/screen-map.jsx
@@ -427,9 +427,27 @@ function computeAtlasLayout(locations, edges) {
 function edgeStyle(edge) {
   const kind = (edge.route_kind || "").toLowerCase();
   const danger = typeof edge.danger === "number" ? edge.danger : 0;
+  // High-danger routes dominate the style: dark red dashed, regardless of kind.
   if (danger >= 6) return { stroke: "rgba(120,32,32,0.62)", width: 0.7, dash: "1.4 1" };
+  // Urban + extramural surface routes — solid brown.
   if (kind === "street" || kind === "road") return { stroke: "rgba(60,30,10,0.6)", width: 0.85, dash: "" };
+  // Water + crossing — solid blue. "ferry" is now a valid Literal member (#381).
   if (kind === "river" || kind === "ferry" || kind === "sea") return { stroke: "rgba(40,90,120,0.6)", width: 0.7, dash: "" };
+  // Bridge — slightly thicker amber-brown to mark a load-bearing crossing
+  // (Wyrm's Crossing over the Chionthar, etc.) as distinct from a regular road.
+  // Added Loop-10 / #381.
+  if (kind === "bridge") return { stroke: "rgba(110,75,30,0.72)", width: 1.05, dash: "" };
+  // Underground — Underdark passages, Bhaal Temple stairs, sewers. Tight dotted
+  // dash reads as "you go down, not across." Added Loop-10 / #381 ahead of the
+  // #380 Underdark POIs.
+  if (kind === "underground" || kind === "passage") return { stroke: "rgba(40,25,10,0.66)", width: 0.7, dash: "0.7 1.8" };
+  // Portal — extraplanar / arcane (Avernus gate, Astral, etc.). A subtle violet
+  // tint flags the route as "not walking distance" even when the connection is
+  // visually short.
+  if (kind === "portal") return { stroke: "rgba(95,55,135,0.62)", width: 0.7, dash: "1.2 1.2" };
+  // Trail — wilds-grade path. Lighter and looser-dashed than the default to
+  // read as "you'll get there, just not quickly."
+  if (kind === "trail") return { stroke: "rgba(85,60,30,0.5)", width: 0.6, dash: "1.4 1.6" };
   return { stroke: "rgba(60,30,10,0.46)", width: 0.5, dash: "1.6 1.2" };
 }