[travelmux] OTP's absolute_direction is optional

docker-compose-with-transit.yaml

@@ -48,7 +48,7 @@ services:
     networks:
       - otp_backend
     # ports:
-    #   - "9001:8000"
+    #   - "9002:8000"
   travelmux:
     image: ghcr.io/headwaymaps/travelmux:latest
     restart: always
@@ -89,7 +89,7 @@ services:
       valhalla-init:
         condition: service_completed_successfully
     # ports:
-    #   - "9002:8002"
+    #   - "9001:8002"
   frontend-init:
     image: ghcr.io/headwaymaps/headway-init:latest
     env_file: .env

services/travelmux/src/otp/otp_api.rs

@@ -96,8 +96,8 @@ pub struct Step {
     pub relative_direction: RelativeDirection,
     /// The name of the street.
     pub street_name: String,
-    /// The absolute direction of this step.
-    pub absolute_direction: AbsoluteDirection,
+    /// The absolute (compass) direction of this step.
+    pub absolute_direction: Option<AbsoluteDirection>,
     /// When exiting a highway or traffic circle, the exit name/number.
     pub exit: Option<String>,
     /// Indicates whether or not a street changes direction at an intersection.