From 55944d9a8126a845b002b5e9e80ce88e2db72e0d Mon Sep 17 00:00:00 2001
From: ansons <ansonstewart@gmail.com>
Date: Fri, 3 Jan 2025 15:54:53 -0500
Subject: [PATCH] Add NoMotorwayTraversalPermissionLabeler

---
 .../NoMotorwayTraversalPermissionLabeler.java | 31 +++++++++++++++++++
 .../com/conveyal/r5/streets/StreetLayer.java  |  2 ++
 2 files changed, 33 insertions(+)
 create mode 100644 src/main/java/com/conveyal/r5/labeling/NoMotorwayTraversalPermissionLabeler.java

diff --git a/src/main/java/com/conveyal/r5/labeling/NoMotorwayTraversalPermissionLabeler.java b/src/main/java/com/conveyal/r5/labeling/NoMotorwayTraversalPermissionLabeler.java
new file mode 100644
index 000000000..8e79f99e9
--- /dev/null
+++ b/src/main/java/com/conveyal/r5/labeling/NoMotorwayTraversalPermissionLabeler.java
@@ -0,0 +1,31 @@
+package com.conveyal.r5.labeling;
+
+import com.conveyal.osmlib.Way;
+import com.conveyal.r5.streets.EdgeStore;
+
+/**
+ * Traversal permission labeler that restricts walking on most driving ways (useful for networks with complete
+ * sidewalks). Also includes permissions for the United States (see USTraversalPermissionLabeler).
+ */
+public class NoMotorwayTraversalPermissionLabeler extends TraversalPermissionLabeler {
+    static {
+        addPermissions("pedestrian", "bicycle=yes");
+        addPermissions("bridleway", "bicycle=yes;foot=yes"); //horse=yes but we don't support horse
+        addPermissions("cycleway", "bicycle=yes;foot=yes");
+        addPermissions("trunk|primary|secondary|tertiary|unclassified|residential|living_street|road|service|track",
+                "access=yes");
+    }
+
+    @Override
+    public RoadPermission getPermissions(Way way) {
+        RoadPermission rp = super.getPermissions(way);
+        if (way.tagIsTrue("motorway")) {
+            rp.forward.remove(EdgeStore.EdgeFlag.ALLOWS_CAR);
+            rp.forward.remove(EdgeStore.EdgeFlag.NO_THRU_TRAFFIC_CAR);
+            rp.backward.remove(EdgeStore.EdgeFlag.ALLOWS_CAR);
+            rp.backward.remove(EdgeStore.EdgeFlag.NO_THRU_TRAFFIC_CAR);
+        }
+        return rp;
+    }
+
+}
diff --git a/src/main/java/com/conveyal/r5/streets/StreetLayer.java b/src/main/java/com/conveyal/r5/streets/StreetLayer.java
index 4e31481ee..4b3ade468 100644
--- a/src/main/java/com/conveyal/r5/streets/StreetLayer.java
+++ b/src/main/java/com/conveyal/r5/streets/StreetLayer.java
@@ -12,6 +12,7 @@
 import com.conveyal.r5.api.util.ParkRideParking;
 import com.conveyal.r5.common.GeometryUtils;
 import com.conveyal.r5.labeling.LevelOfTrafficStressLabeler;
+import com.conveyal.r5.labeling.NoMotorwayTraversalPermissionLabeler;
 import com.conveyal.r5.labeling.RoadPermission;
 import com.conveyal.r5.labeling.SidewalkTraversalPermissionLabeler;
 import com.conveyal.r5.labeling.SpeedLabeler;
@@ -217,6 +218,7 @@ public StreetLayer(TransportNetworkConfig config) {
         if (config != null) {
             permissionLabeler = switch (config.traversalPermissionLabeler) {
                 case "sidewalk" -> new SidewalkTraversalPermissionLabeler();
+                case "noMotorway" -> new NoMotorwayTraversalPermissionLabeler();
                 case null -> new USTraversalPermissionLabeler();
                 default -> throw new IllegalArgumentException(
                         "Unknown traversal permission labeler: " + config.traversalPermissionLabeler