diff --git a/src/data/transitFeeds.js b/src/data/transitFeeds.js
index 3e9f9cebc..0f6844c65 100644
--- a/src/data/transitFeeds.js
+++ b/src/data/transitFeeds.js
@@ -547,6 +547,9 @@ function astuceRouteLabel(routeId) {
   return ASTUCE_ROUTES[routeId ?? '']?.label ?? astuceNetworkLabel(routeId);
 }
 
+/** PID trolleybus lines: route_type 11 in PID's routes.txt (checked 2026-11-14). */
+const PID_TROLLEYBUS_LINES = new Set([51, 52, 53, 58, 59, 232, 275]);
+
 /**
  * Prague PID route ids are `L` plus a number whose range says what runs it,
  * per PID's GTFS routes.txt (data.pid.cz, checked 2026-11-09): 1–99 trams
@@ -566,10 +569,11 @@ function pidRoute(routeId) {
   const n = Number(match[1]);
   // i18n-ignore: line code, as signed
   if (n === 49) return { mode: 'funicular', label: 'LD' };
-  if (n >= 50 && n <= 59) return { mode: 'trolleybus', label: String(n) };
+  if (PID_TROLLEYBUS_LINES.has(n))
+    return { mode: 'trolleybus', label: String(n) };
+  if (n >= 50 && n <= 59) return { mode: 'bus', label: String(n) };
   if (n < 100) return { mode: 'tram', label: String(n) };
   if (n >= 800 && n < 900) return { mode: 'bus', label: `X${n - 800}` };
-  if (n === 232 || n === 275) return { mode: 'trolleybus', label: String(n) };
   if (n < 991) return { mode: 'bus', label: String(n) };
   // i18n-ignore: metro line letters, as signed
   if (n <= 993) return { mode: 'subway', label: 'ABC'[n - 991] };
diff --git a/src/data/transitFeeds.test.mjs b/src/data/transitFeeds.test.mjs
index 37ad82a56..85a3a8243 100644
--- a/src/data/transitFeeds.test.mjs
+++ b/src/data/transitFeeds.test.mjs
@@ -734,6 +734,7 @@ test('Prague route-id ranges give metro, trains, ferries and trolleybuses their
   ];
   assert.deepEqual(read('L22'), ['tram', '22']);
   assert.deepEqual(read('L58'), ['trolleybus', '58']);
+  assert.deepEqual(read('L55'), ['bus', '55'], 'not a PID trolleybus line');
   assert.deepEqual(read('L275'), ['trolleybus', '275'], 'route type 11');
   assert.deepEqual(read('L49'), ['funicular', 'LD'], 'Petřín funicular');
   assert.deepEqual(read('L135'), ['bus', '135']);
diff --git a/src/voice/layerManifest.js b/src/voice/layerManifest.js
index 60cda6f25..52cb0f90f 100644
--- a/src/voice/layerManifest.js
+++ b/src/voice/layerManifest.js
@@ -309,10 +309,15 @@ const layers = [
       'trams',
       'subway',
       'trolleybus',
+      'trolleybuses',
       'gondola',
+      'gondolas',
       'cable car',
+      'cable cars',
       'funicular',
+      'funiculars',
       'monorail',
+      'monorails',
     ],
     context: false,
     query: {