diff --git a/components/ActionSheetComponents/EachTrainInfo.js b/components/ActionSheetComponents/EachTrainInfo.js
index c0ba7b0..b007311 100644
--- a/components/ActionSheetComponents/EachTrainInfo.js
+++ b/components/ActionSheetComponents/EachTrainInfo.js
@@ -99,6 +99,10 @@ export const EachTrainInfo = ({
     // arrayは現在位置の駅ID(駅在宅の場合は1つの配列、駅間の場合は2つの配列)
     // stopStationIDListは停車駅の駅IDの配列
     if (!stopStationIDList.length) return [];
+    // arrayが二次元配列だったら早期リターン
+    if (!array instanceof Array) return [];
+    if (!array.length) return [];
+    if (array[0] instanceof Array) return [];
     const arrayNumber = array.map((d) => ({
       line: d
         .split("")