From cd89b246a7c39cac22f7c5b1bfa8e597c8b8d7b4 Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Mon, 6 Jul 2020 17:27:15 +0100
Subject: [PATCH] Reset vehicle lateness when auto-timetable jam detected

---
 src/timetable_cmd.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/timetable_cmd.cpp b/src/timetable_cmd.cpp
index 684fbed73e..7b5a0cf90d 100644
--- a/src/timetable_cmd.cpp
+++ b/src/timetable_cmd.cpp
@@ -920,6 +920,7 @@ void UpdateVehicleTimetable(Vehicle *v, bool travelling)
 				for (Vehicle *v2 = v->FirstShared(); v2 != nullptr; v2 = v2->NextShared()) {
 					v2->ClearSeparation();
 					ClrBit(v2->vehicle_flags, VF_TIMETABLE_STARTED);
+					v2->lateness_counter = 0;
 					SetWindowDirty(WC_VEHICLE_TIMETABLE, v2->index);
 				}
 				return;