diff --git a/index.ts b/index.ts
index f9a8ce9..04a2870 100644
--- a/index.ts
+++ b/index.ts
@@ -11,5 +11,7 @@ export { ApiResponse } from './src/owlboardApi/apiResponse'
 export { Versions } from './src/owlboardApi/versions'
 export { StaffLdb, NrccMessage, TrainServices,
          ServiceLocation } from './src/owlboardApi/staffLdb'
+export { OB_TrainTT_service, OB_TrainTT_stopDetail } from './src/owlboardApi/trainTimetable'
+export { OB_Pis_SimpleObject } from './src/owlboardApi/pis'
 
 // Upstream API
\ No newline at end of file
diff --git a/src/owlboardApi/pis.ts b/src/owlboardApi/pis.ts
new file mode 100644
index 0000000..b0dd1c8
--- /dev/null
+++ b/src/owlboardApi/pis.ts
@@ -0,0 +1,13 @@
+export interface OB_Pis_SimpleObject {
+    code: number;
+    match: "full" | "partial";
+    msg: string;
+}
+
+/* NOT IN USE YET
+export interface OB_Pis_FullObject {
+    code: number;
+    crs: string[];
+    tiploc?: string[];
+}
+*/
\ No newline at end of file
diff --git a/src/owlboardApi/trainTimetable.ts b/src/owlboardApi/trainTimetable.ts
new file mode 100644
index 0000000..770d7f2
--- /dev/null
+++ b/src/owlboardApi/trainTimetable.ts
@@ -0,0 +1,24 @@
+import type { OB_Pis_SimpleObject } from "./pis";
+
+export interface OB_TrainTT_service {
+    stpIndicator: string;
+    operator: string;
+    trainUid: string;
+    headcode: string;
+    powerType: string;
+    planSpeed: number;
+    scheduleStart: Date;
+    scheduleEnd: Date;
+    daysRun: string[];
+    stops: OB_TrainTT_stopDetail[];
+    pis: OB_Pis_SimpleObject;
+}
+
+export interface OB_TrainTT_stopDetail {
+    publicDeparture?: string;
+    publicArrival?: string;
+    wttDeparture?: string;
+    wttArrival?: string;
+    tiploc: string;
+    isPublic: boolean;
+}
\ No newline at end of file