diff --git a/config/timetable/file/ZTR.ts b/config/timetable/file/ZTR.ts
index 08fa740..46fc7bf 100644
--- a/config/timetable/file/ZTR.ts
+++ b/config/timetable/file/ZTR.ts
@@ -1,5 +1,5 @@
 
-import {RecordWithManualIdentifier} from "../../../src/feed/record/FixedWidthRecord";
+import {FixedWidthRecord, RecordWithManualIdentifier} from "../../../src/feed/record/FixedWidthRecord";
 import {TextField, VariableLengthText} from "../../../src/feed/field/TextField";
 import {MultiRecordFile} from "../../../src/feed/file/MultiRecordFile";
 import {BooleanField} from "../../../src/feed/field/BooleanField";
@@ -45,6 +45,17 @@ const schedule = new RecordWithManualIdentifier(
   ["runs_from"]
 );
 
+export const extraDetails = new FixedWidthRecord(
+    "z_schedule_extra",
+    [], {
+        "schedule": new ForeignKeyField(schedule),
+        "atoc_code": new TextField(11, 2, true),
+    },
+    ["schedule"]
+);
+
+
+
 const stopRecordTypes = {
   "LO": {
     "z_schedule": new ForeignKeyField(schedule),
@@ -110,6 +121,7 @@ const stop = new MultiFormatRecord(
 
 const ZTR = new MultiRecordFile({
   "BS": schedule,
+  "BX": extraDetails,
   "LO": stop,
   "LI": stop,
   "LT": stop
diff --git a/src/gtfs/repository/CIFRepository.ts b/src/gtfs/repository/CIFRepository.ts
index 72a16bb..bd5f460 100644
--- a/src/gtfs/repository/CIFRepository.ts
+++ b/src/gtfs/repository/CIFRepository.ts
@@ -107,8 +107,9 @@ export class CIFRepository {
           monday, tuesday, wednesday, thursday, friday, saturday, sunday,
           stp_indicator, location AS crs_code, train_category,
           public_arrival_time, public_departure_time, scheduled_arrival_time, scheduled_departure_time,
-          platform, NULL AS atoc_code, z_stop_time.id AS stop_id, activity, NULL AS reservations, "S" AS train_class 
+          platform, atoc_code, z_stop_time.id AS stop_id, activity, NULL AS reservations, "S" AS train_class 
         FROM z_schedule
+        LEFT JOIN z_schedule_extra ON z_schedule.id = z_schedule_extra.schedule
         JOIN z_stop_time ON z_schedule.id = z_stop_time.z_schedule
         WHERE runs_from < CURDATE() + INTERVAL 3 MONTH
         AND runs_to >= CURDATE()