Merge pull request #5999 from mjjbell/mbell/barrier_kerb

Add kerb barrier exception to default car profile

CHANGELOG.md

@@ -3,6 +3,8 @@
     - Misc:
       - FIXED: Upgrade to @mapbox/node-pre-gyp fix various bugs with Node 12/14 [#5991](https://github.com/Project-OSRM/osrm-backend/pull/5991)
       - FIXED: `valid` type in documentation examples [#5990](https://github.com/Project-OSRM/osrm-backend/issues/5990)
+    - Profile:
+      - FIXED: Add kerb barrier exception to default car profile. [#5999](https://github.com/Project-OSRM/osrm-backend/pull/5999)
 
 # 5.24.0
   - Changes from 5.23.0

features/car/barrier.feature

@@ -46,6 +46,18 @@ Feature: Car - Barriers
             | bollard      | rising        | x     |
             | bollard      | removable     |       |
 
+    # https://github.com/Project-OSRM/osrm-backend/issues/5996
+    Scenario: Car - Kerb exception for barriers
+        Then routability should be
+            | node/barrier | node/highway  | node/kerb  | bothw |
+            | kerb         |               |            |       |
+            | kerb         | crossing      |            |  x    |
+            | kerb         | crossing      | yes        |  x    |
+            | kerb         |               | lowered    |  x    |
+            | kerb         |               | flush      |  x    |
+            | kerb         |               | raised     |       |
+            | kerb         |               | yes        |       |
+
     Scenario: Car - Height restrictions
         Then routability should be
             | node/barrier      | node/maxheight | bothw |

profiles/car.lua

@@ -342,7 +342,18 @@ function process_node(profile, node, result, relations)
       local bollard = node:get_value_by_key("bollard")
       local rising_bollard = bollard and "rising" == bollard
 
-      if not profile.barrier_whitelist[barrier] and not rising_bollard or restricted_by_height then
+      -- make an exception for lowered/flat barrier=kerb
+      -- and incorrect tagging of highway crossing kerb as highway barrier
+      local kerb = node:get_value_by_key("kerb")
+      local highway = node:get_value_by_key("highway")
+      local flat_kerb = kerb and ("lowered" == kerb or "flush" == kerb)
+      local highway_crossing_kerb = barrier == "kerb" and highway and highway == "crossing"
+
+      if not profile.barrier_whitelist[barrier]
+                and not rising_bollard
+                and not flat_kerb
+                and not highway_crossing_kerb
+                or restricted_by_height then
         result.barrier = true
       end
     end

taginfo.json

@@ -125,6 +125,7 @@
         {"key": "side_road", "value": "rotary", "description": "gets speed penalty"},
         {"key": "route", "object_types": ["way"]},
         {"key": "highway", "value": "traffic_signals", "object_types": ["node"]},
+        {"key": "highway", "value": "crossing", "object_types": ["node"]},
         {"key": "access", "value": "yes"},
         {"key": "access", "value": "motorcar"},
         {"key": "access", "value": "motor_vehicle"},
@@ -202,6 +203,7 @@
         {"key": "barrier", "value": "lift_gate"},
         {"key": "barrier", "value": "no"},
         {"key": "barrier", "value": "entrance"},
+        {"key": "barrier", "value": "kerb"},
         {"key": "highway", "value": "motorway"},
         {"key": "highway", "value": "motorway_link"},
         {"key": "highway", "value": "trunk"},
@@ -220,6 +222,8 @@
         {"key": "highway", "value": "movable"},
         {"key": "highway", "value": "shuttle_train"},
         {"key": "highway", "value": "default"},
+        {"key": "kerb", "value": "lowered", "object_types": ["node"]},
+        {"key": "kerb", "value": "flush", "object_types": ["node"]},
         {"key": "width", "description": "Penalties for narrow streets"},
         {"key": "lanes", "description": "Penalties for shared single lane streets"},
         {"key": "lanes:forward", "description": "Lanes in forward direction"},