diff --git a/stateBox/useBusAndTrainData.js b/stateBox/useBusAndTrainData.js
index 957c759..de6880c 100644
--- a/stateBox/useBusAndTrainData.js
+++ b/stateBox/useBusAndTrainData.js
@@ -278,6 +278,12 @@ export const BusAndTrainDataProvider = ({ children }) => {
       case "710D":
         returnArray.push("3710D");
         break;
+      case "3751D":
+        returnArray.push("751D");
+        break;
+      case "751D":
+        returnArray.push("3751D");
+        break;
     }
     if (new RegExp(/^4[1-9]\d\d[DM]$/).test(trainNum)) {
       if (allTrainDiagram["5" + trainNum.substring(1)])