diff --git a/components/Settings/SettingTopPage.js b/components/Settings/SettingTopPage.js
index ecd24d4..8ebd75a 100644
--- a/components/Settings/SettingTopPage.js
+++ b/components/Settings/SettingTopPage.js
@@ -12,7 +12,7 @@ import * as Updates from "expo-updates";
 import { useWindowDimensions } from "react-native";
 import { ListItem } from "native-base";
 
-const versionCode = "5.1.1";
+const versionCode = "5.2";
 
 export const SettingTopPage = ({ navigate, testNFC, updateAndReload }) => {
   const { width } = useWindowDimensions();
diff --git a/components/trainMenu.js b/components/trainMenu.js
index 13876a0..ebba80f 100644
--- a/components/trainMenu.js
+++ b/components/trainMenu.js
@@ -1,45 +1,71 @@
-import React, { useRef, useMemo } from "react";
+import React, { useRef, useState, useEffect } from "react";
 import { View, Text, TouchableOpacity, Linking } from "react-native";
 import MapView, { Marker } from "react-native-maps";
 import { MaterialCommunityIcons } from "@expo/vector-icons";
 import { useCurrentTrain } from "../stateBox/useCurrentTrain";
 import { useNavigation } from "@react-navigation/native";
+import lineColorList from "../assets/originData/lineColorList";
+import { stationIDPair } from "../lib/getStationList2";
+import { lineListPair } from "../lib/getStationList";
 export default function TrainMenu({ stationData, style }) {
   const { webview } = useCurrentTrain();
   const mapRef = useRef();
   const { navigate } = useNavigation();
-  const stationPin = useMemo(
-    () =>
-      Object.keys(stationData).map((d, indexBase) =>
-        stationData[d].map((D, index) => {
-          if (!D.StationMap) return null;
-          const latlng = D.StationMap.replace(
-            "https://www.google.co.jp/maps/place/",
-            ""
-          ).split(",");
-          if (latlng.length == 0) return null;
-          return (
-            <Marker
-              key={index + indexBase}
-              coordinate={{
-                latitude: parseFloat(latlng[0]),
-                longitude: parseFloat(latlng[1]),
-              }}
-              onPress={() => {
-                webview.current?.injectJavaScript(
-                  `MoveDisplayStation('${d}_${D.MyStation}_${D.Station_JP}');
-                  setStrings();`
-                );
-                if (navigate) navigate("Apps");
-              }}
-            ></Marker>
-          );
-        })
-      ),
-    [stationData]
-  );
+  const [stationPin, setStationPin] = useState([]);
+  const [selectedLine, setSelectedLine] = useState(undefined);
+  useEffect(() => {
+    const stationPinData = [];
+    Object.keys(stationData).map((d, indexBase) =>
+      stationData[d].map((D, index) => {
+        if (!D.StationMap) return null;
+        if (selectedLine && selectedLine != d) return;
+        const latlng = D.StationMap.replace(
+          "https://www.google.co.jp/maps/place/",
+          ""
+        ).split(",");
+        if (latlng.length == 0) return null;
+        stationPinData.push({ D, d, latlng, indexBase: 0, index });
+      })
+    );
+    setStationPin(stationPinData);
+  }, [stationData, selectedLine]);
+  useEffect(() => {
+    mapRef.current.fitToCoordinates(
+      stationPin.map(({ latlng }) => ({
+        latitude: parseFloat(latlng[0]),
+        longitude: parseFloat(latlng[1]),
+      })),
+      { edgePadding: { top: 100, bottom: 50, left: 50, right: 50 } } // Add margin values here
+    );
+  }, [stationPin]);
   return (
     <View style={{ height: "100%", backgroundColor: "#0099CC", ...style }}>
+      {selectedLine && (
+        <View
+          style={{
+            position: "absolute",
+            top: 0,
+            left: 0,
+            right: 0,
+            backgroundColor: lineColorList[stationIDPair[selectedLine]],
+            padding: 10,
+            zIndex: 100,
+            alignItems: "center",
+          }}
+        >
+          <Text
+            style={{
+              color: "white",
+              fontWeight: "bold",
+              fontSize: 20,
+              textAlign: "center",
+            }}
+          >
+            {selectedLine ? lineListPair[stationIDPair[selectedLine]] : "全線"}
+          </Text>
+        </View>
+      )}
+
       <MapView
         style={{ flex: 1, width: "100%", height: "100%" }}
         showsUserLocation={true}
@@ -56,8 +82,54 @@ export default function TrainMenu({ stationData, style }) {
           longitudeDelta: 1.8,
         }}
       >
-        {stationPin}
+        {stationPin.map(({ D, d, latlng, indexBase, index }) => (
+          <MapPin
+            index={index}
+            indexBase={indexBase}
+            latlng={latlng}
+            D={D}
+            d={d}
+            navigate={navigate}
+            webview={webview}
+            key={index + indexBase}
+          />
+        ))}
       </MapView>
+      <View style={{ position: "relative" }}>
+        <View
+          style={{
+            flexDirection: "row",
+            position: "absolute",
+            width: "100vw",
+            bottom: 0,
+            flex: 1,
+          }}
+        >
+          <Text style={{ position: "absolute", bottom: 40 }}>
+            路線記号からフィルタリング
+          </Text>
+          {Object.keys(stationData).map((d) => (
+            <TouchableOpacity
+              style={{
+                flex: 1,
+                backgroundColor: lineColorList[stationIDPair[d]],
+                padding: 5,
+                margin: 2,
+                borderRadius: 10,
+                alignItems: "center",
+                opacity: selectedLine == d ? 1 : !selectedLine ? 1 : 0.5,
+              }}
+              onPress={() => setSelectedLine(selectedLine == d ? undefined : d)}
+            >
+              <Text
+                style={{ color: "white", fontWeight: "bold", fontSize: 20 }}
+              >
+                {stationIDPair[d]}
+              </Text>
+            </TouchableOpacity>
+          ))}
+        </View>
+      </View>
       {navigate && (
         <View style={{ flexDirection: "row" }}>
           <UsefulBox
@@ -137,3 +209,22 @@ const UsefulBox = (props) => {
     </TouchableOpacity>
   );
 };
+
+const MapPin = ({ index, indexBase, latlng, D, d, navigate, webview }) => {
+  return (
+    <Marker
+      key={index + indexBase}
+      coordinate={{
+        latitude: parseFloat(latlng[0]),
+        longitude: parseFloat(latlng[1]),
+      }}
+      onPress={() => {
+        webview.current?.injectJavaScript(
+          `MoveDisplayStation('${d}_${D.MyStation}_${D.Station_JP}');
+        setStrings();`
+        );
+        if (navigate) navigate("Apps");
+      }}
+    ></Marker>
+  );
+};
diff --git a/lib/eachTrainInfoCoreLib/searchSpecialTrain.js b/lib/eachTrainInfoCoreLib/searchSpecialTrain.js
index ec0e53d..39804cf 100644
--- a/lib/eachTrainInfoCoreLib/searchSpecialTrain.js
+++ b/lib/eachTrainInfoCoreLib/searchSpecialTrain.js
@@ -10,4 +10,17 @@ export const searchSpecialTrain = (trainNum, trainList) => {
   };
   if (search("D")) return searchBase + "D";
   if (search("M")) return searchBase + "M";
+
+  //増結いしづちの場合
+  const baseStr = trainNum
+    .replace("D", "")
+    .replace("M", "")
+    .replace("S", "")
+    .replace("X", "");
+  const baseNum = parseInt(baseStr);
+  if (9000 < baseNum && baseNum < 9047) {
+    //いしづちの1001M-1046Mが9000番台になっている場合に発動
+    const TD = trainList[`${baseNum - 8000}M`];
+    if (TD) return `${baseNum - 8000}M`;
+  }
 };
diff --git a/lib/getStationList.js b/lib/getStationList.js
index f1314de..06bb601 100644
--- a/lib/getStationList.js
+++ b/lib/getStationList.js
@@ -29,6 +29,17 @@ export const lineList = [
   "鳴門線(池谷-鳴門間)[N]",
   "瀬戸大橋線(宇多津-児島間)[M]",
 ];
+export const lineListPair = {
+  Y: "予讃線(高松-松山間)[Y]",
+  U: "予讃線(松山-宇和島間)[U]",
+  S: "予讃線/愛ある伊予灘線(向井原-伊予大洲間)[S]",
+  D: "土讃線(多度津-高知間)[D]",
+  K: "土讃線(高知-窪川間)[K]",
+  T: "高徳線(高松-徳島間)[T]",
+  B: "徳島線(徳島-阿波池田)[B]",
+  N: "鳴門線(池谷-鳴門間)[N]",
+  M: "瀬戸大橋線(宇多津-児島間)[M]",
+};
 
 export const getStationList = async (props) => {
   if (status) return status;
diff --git a/lib/getStationList2.js b/lib/getStationList2.js
index a8b392b..11397b8 100644
--- a/lib/getStationList2.js
+++ b/lib/getStationList2.js
@@ -1,4 +1,3 @@
-let status = undefined;
 import yosan from "../assets/originData/yosan";
 import uwajima from "../assets/originData/uwajima";
 import uwajima2 from "../assets/originData/uwajima2";
@@ -21,3 +20,15 @@ export const getStationList2 = async (props) => {
     seto,
   };
 };
+
+export const stationIDPair = {
+  yosan: "Y",
+  uwajima: "U",
+  uwajima2: "S",
+  dosan: "D",
+  dosan2: "K",
+  koutoku: "T",
+  tokushima: "B",
+  naruto: "N",
+  seto: "M",
+};