diff --git a/src/components/StationsView/FilterSlider.vue b/src/components/StationsView/FilterSlider.vue
index d9e59ce..e07d855 100644
--- a/src/components/StationsView/FilterSlider.vue
+++ b/src/components/StationsView/FilterSlider.vue
@@ -1,7 +1,7 @@
 <template>
   <div class="filter-slider">
     <input
-      v-for="slider in sliderOptionsList[sliderGroup]"
+      v-for="slider in sliderGroupsOptions[sliderGroup]"
       type="range"
       :name="slider.id"
       :id="slider.id"
@@ -15,13 +15,13 @@
 
 <script lang="ts" setup>
 import { inject, PropType } from 'vue';
-import { SliderGroup, sliderOptionsList } from '../../managers/stationFilterManager';
+import { SliderGroup, sliderGroupsOptions } from '../../managers/stationFilterManager';
 
 const filters = inject('StationsView_filters') as Record<string, any>;
 
 const props = defineProps({
   sliderGroup: {
-    type: Object as PropType<SliderGroup>,
+    type: String as PropType<SliderGroup>,
     required: true
   }
 });
diff --git a/src/components/StationsView/StationFilterCard.vue b/src/components/StationsView/StationFilterCard.vue
index 000b07d..3ab3d60 100644
--- a/src/components/StationsView/StationFilterCard.vue
+++ b/src/components/StationsView/StationFilterCard.vue
@@ -141,8 +141,8 @@
               <FilterSlider :sliderGroup="sliderGroup" />
 
               <span class="slider-value">
-                {{ filters[sliderOptionsList[sliderGroup][0].id] }} -
-                {{ filters[sliderOptionsList[sliderGroup][1].id] }}
+                {{ filters[sliderGroupsOptions[sliderGroup][0].id] }} -
+                {{ filters[sliderGroupsOptions[sliderGroup][1].id] }}
               </span>
 
               <div class="slider-content">
@@ -194,7 +194,7 @@ import {
   initFilters,
   sliderGroups,
   getChangedFilters,
-  sliderOptionsList
+  sliderGroupsOptions
 } from '../../managers/stationFilterManager';
 
 import { StationFilterSection } from '../../managers/stationFilterManager';
@@ -212,7 +212,7 @@ export default defineComponent({
 
     filtersSections,
     sliderGroups,
-    sliderOptionsList,
+    sliderGroupsOptions,
 
     minimumHours: 0,
 
diff --git a/src/components/StationsView/utils.ts b/src/components/StationsView/utils.ts
index f280939..003feee 100644
--- a/src/components/StationsView/utils.ts
+++ b/src/components/StationsView/utils.ts
@@ -120,28 +120,40 @@ function filterSliderValues(filters: Record<string, any>, generalInfo: StationGe
   const otherAvailability =
     availability == 'nonPublic' || availability == 'unavailable' || availability == 'abandoned';
 
-  const internalRoutes = routes.all.filter((r) => r.isInternal && !r.isRouteSBL && !r.hidden);
+  if (filters['minLevel'] > reqLevel + (otherAvailability ? 1 : 0)) return true;
+  if (filters['maxLevel'] < reqLevel + (otherAvailability ? 1 : 0)) return true;
+  if (filters['minVmax'] > routes.maxRouteSpeed) return true;
+  if (filters['maxVmax'] < routes.minRouteSpeed) return true;
 
-  return (
-    filters['minLevel'] > reqLevel + (otherAvailability ? 1 : 0) ||
-    filters['maxLevel'] < reqLevel + (otherAvailability ? 1 : 0) ||
-    filters['minVmax'] > routes.maxRouteSpeed ||
-    filters['maxVmax'] < routes.minRouteSpeed ||
-    (filters['no-1track'] && routes.single.length != 0) ||
-    (filters['no-2track'] && routes.double.length != 0) ||
-    filters['minOneWayCatenary'] > routes.singleElectrifiedNames.length ||
-    filters['minOneWay'] > routes.singleOtherNames.length ||
-    filters['minTwoWayCatenary'] > routes.doubleElectrifiedNames.length ||
-    filters['minTwoWay'] > routes.doubleOtherNames.length ||
-    filters['minOneWayCatenaryInt'] >
-      internalRoutes.filter((r) => r.routeTracks == 1 && r.isElectric == true).length ||
-    filters['minOneWayInt'] >
-      internalRoutes.filter((r) => r.routeTracks == 1 && r.isElectric == false).length ||
-    filters['minTwoWayCatenaryInt'] >
-      internalRoutes.filter((r) => r.routeTracks == 2 && r.isElectric == true).length ||
-    filters['minTwoWayInt'] >
-      internalRoutes.filter((r) => r.routeTracks == 2 && r.isElectric == false).length
-  );
+  if (filters['oneWay'] && routes.singleOtherNames.length > 0) return true;
+  if (filters['oneWayCatenary'] && routes.singleElectrifiedNames.length > 0) return true;
+  if (filters['twoWay'] && routes.doubleOtherNames.length > 0) return true;
+  if (filters['twoWayCatenary'] && routes.doubleElectrifiedNames.length > 0) return true;
+
+  if (filters['minOneWay'] > routes.singleOtherNames.length) return true;
+  if (filters['maxOneWay'] < routes.singleOtherNames.length) return true;
+  if (filters['minOneWayCatenary'] > routes.singleElectrifiedNames.length) return true;
+  if (filters['maxOneWayCatenary'] < routes.singleElectrifiedNames.length) return true;
+  if (filters['minTwoWay'] > routes.doubleOtherNames.length) return true;
+  if (filters['maxTwoWay'] < routes.doubleOtherNames.length) return true;
+  if (filters['minTwoWayCatenary'] > routes.doubleElectrifiedNames.length) return true;
+  if (filters['maxTwoWayCatenary'] < routes.doubleElectrifiedNames.length) return true;
+
+  if (filters['oneWayInt'] && routes.singleOtherInternalNames.length > 0) return true;
+  if (filters['oneWayCatenaryInt'] && routes.singleElectrifiedInternalNames.length > 0) return true;
+  if (filters['twoWayInt'] && routes.doubleOtherInternalNames.length > 0) return true;
+  if (filters['twoWayCatenaryInt'] && routes.doubleElectrifiedInternalNames.length > 0) return true;
+
+  // Internal routes
+  if (filters['minOneWayInt'] > routes.singleOtherInternalNames.length) return true;
+  if (filters['maxOneWayInt'] < routes.singleOtherInternalNames.length) return true;
+  if (filters['minOneWayCatenaryInt'] > routes.singleElectrifiedInternalNames.length) return true;
+  if (filters['maxOneWayCatenaryInt'] < routes.singleElectrifiedInternalNames.length) return true;
+
+  if (filters['minTwoWayInt'] > routes.doubleOtherInternalNames.length) return true;
+  if (filters['maxTwoWayInt'] < routes.doubleOtherInternalNames.length) return true;
+  if (filters['minTwoWayCatenaryInt'] > routes.doubleElectrifiedInternalNames.length) return true;
+  if (filters['maxTwoWayCatenaryInt'] < routes.doubleElectrifiedInternalNames.length) return true;
 }
 
 function filterInputValues(filters: Record<string, any>, generalInfo: StationGeneralInfo) {
diff --git a/src/locales/en.json b/src/locales/en.json
index 1c0e936..6911109 100644
--- a/src/locales/en.json
+++ b/src/locales/en.json
@@ -316,7 +316,6 @@
     "now": "NOW",
     "hour": "h",
     "no-limit": "NO LIMIT",
-    "include-selected": "INCLUDE SELECTED",
     "save": "REMEMBER FILTERS",
     "reset": "RESET FILTERS",
     "close": "CLOSE FILTERS"
diff --git a/src/locales/pl.json b/src/locales/pl.json
index e4b4206..a65abda 100644
--- a/src/locales/pl.json
+++ b/src/locales/pl.json
@@ -324,7 +324,6 @@
     "now": "TERAZ",
     "hour": " godz.",
     "no-limit": "BEZ LIMITU",
-    "include-selected": "POKAŻ ZAZNACZONE",
     "save": "ZAPAMIĘTAJ FILTRY",
     "reset": "RESETUJ FILTRY",
     "close": "ZAMKNIJ FILTRY"
diff --git a/src/managers/stationFilterManager.ts b/src/managers/stationFilterManager.ts
index 438eaa7..63da833 100644
--- a/src/managers/stationFilterManager.ts
+++ b/src/managers/stationFilterManager.ts
@@ -59,9 +59,6 @@ export const initFilters = {
   mixed: false,
   SBL: false,
   PBL: false,
-  'include-selected': false,
-  'no-1track': false,
-  'no-2track': false,
   free: true,
   occupied: false,
   nonPublic: false,
@@ -123,7 +120,7 @@ export const sliderGroups: SliderGroup[] = [
   'routeTwoWayInternalCatenary'
 ];
 
-export const sliderOptionsList: Record<SliderGroup, SliderOptions[]> = {
+export const sliderGroupsOptions: Record<SliderGroup, SliderOptions[]> = {
   vMax: [
     { id: 'minVmax', minRange: 0, maxRange: 200, step: 10 },
     { id: 'maxVmax', minRange: 0, maxRange: 200, step: 10 }
diff --git a/src/store/mainStore.ts b/src/store/mainStore.ts
index 7c084a9..8adc36d 100644
--- a/src/store/mainStore.ts
+++ b/src/store/mainStore.ts
@@ -29,7 +29,7 @@ export const useMainStore = defineStore('mainStore', {
       chosenModalTrainId: undefined,
 
       modalLastClickedTarget: null,
-      currentLocale: 'pl',
+      currentLocale: 'pl'
     }) as MainStoreState,
 
   actions: {
@@ -391,11 +391,13 @@ export const useMainStore = defineStore('mainStore', {
 
             const tracksKey = route.routeTracks == 2 ? 'double' : 'single';
             const isElectric = route.isElectric;
+
             const routesKey: keyof StationRoutes = `${tracksKey}${
               !isElectric ? 'Other' : 'Electrified'
-            }Names`;
+            }${route.isInternal ? 'Internal' : ''}Names`;
+            
+            acc[routesKey].push(route.routeName);
 
-            if (!route.isInternal) acc[routesKey].push(route.routeName);
             if (route.isRouteSBL) acc['sblNames'].push(route.routeName);
 
             acc.minRouteSpeed =
@@ -410,14 +412,21 @@ export const useMainStore = defineStore('mainStore', {
             return acc;
           },
           {
+            all: [],
             single: [],
+            double: [],
+
             singleElectrifiedNames: [],
             singleOtherNames: [],
-            double: [],
             doubleElectrifiedNames: [],
             doubleOtherNames: [],
+
+            singleElectrifiedInternalNames: [],
+            singleOtherInternalNames: [],
+            doubleElectrifiedInternalNames: [],
+            doubleOtherInternalNames: [],
+
             sblNames: [],
-            all: [],
             minRouteSpeed: 0,
             maxRouteSpeed: 0
           } as StationRoutes
diff --git a/src/typings/common.ts b/src/typings/common.ts
index 684c030..ea98611 100644
--- a/src/typings/common.ts
+++ b/src/typings/common.ts
@@ -130,6 +130,12 @@ export interface StationRoutes {
   singleOtherNames: string[];
   doubleElectrifiedNames: string[];
   doubleOtherNames: string[];
+
+  singleElectrifiedInternalNames: string[];
+  singleOtherInternalNames: string[];
+  doubleElectrifiedInternalNames: string[];
+  doubleOtherInternalNames: string[];
+
   sblNames: string[];
 
   minRouteSpeed: number;
@@ -241,4 +247,4 @@ export interface TooltipTrainInfo {
   headVehicleName: string;
   stockCount: number;
   trainTimetableCategory?: string;
-}
\ No newline at end of file
+}