From 8e32f53813d618fc104238f98dbbd392d740f12e Mon Sep 17 00:00:00 2001
From: namdre <jakob.erdmann@dlr.de>
Date: Wed, 3 Apr 2019 10:48:24 +0200
Subject: [PATCH] avoiding dead-starts due to movement prohibitions. refs #5121

---
 src/netbuild/NBEdge.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/netbuild/NBEdge.cpp b/src/netbuild/NBEdge.cpp
index 4304944ec1c..c70f9b832a3 100644
--- a/src/netbuild/NBEdge.cpp
+++ b/src/netbuild/NBEdge.cpp
@@ -2744,7 +2744,12 @@ NBEdge::appendTurnaround(bool noTLSControlled, bool onlyDeadends, bool noGeometr
         }
     };
     if (noGeometryLike && myTo->geometryLike() && out0 != nullptr) {
-        return;
+        // make sure the turnDestination has other incoming edges
+        EdgeVector turnIncoming = myTurnDestination->getIncomingEdges();
+        if (turnIncoming.size() > 1) {
+            // this edge is always part of incoming
+            return;
+        }
     }
     setConnection(fromLane, myTurnDestination, toLane, L2L_VALIDATED);
 }