Clarify that wheelchair_traversal_time, wheelchair_length are temporary

mbta · Apr 4, 2019 · 595f91b · 595f91b
1 parent 5155aa6
commit 595f91b
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/reference/gtfs.md b/reference/gtfs.md
@@ -218,10 +218,10 @@ to_stop_id | Required | Included | Stop IDs are referenced from the [stops.txt](
 facility_id | Required | Included (empty) | Links pathways to facilities (in [facilities.txt](#facilitiestxt)) which may be required to be transversed, such as escalators and elevators. Can be coupled with real-time alerts feeds/API calls to determine if the pathway is available at a given time.
 pathway_mode | Required | Included | Type of pathway. Values used by the MBTA for this field are:<br><ul><li>`1`: Walkways, including ramps</li><li>`2`: Staircases</li><li>`4`: Escalators</li><li>`5`: Elevators</li><li>`6`: Entering fare control (by passing through fare gates)</li><li>`7`: Exiting fare control (by passing through fare gates or exit-only gates)</li></ul>
 is_bidirectional | Required | Included | For the MBTA implementation, this field will always be `0`. All pathways will be unidirectional.
-length | Optional | Included (some records) | Length will always be provided in meters.
-wheelchair_length | Experimental | Included (some records) | Wheelchair length will always be provided in meters.
-traversal_time | Optional | Included (some records) |
-wheelchair_traversal_time | Experimental | Included (some records) |
+length | Optional | Included (some records) | Length is provided in meters.
+wheelchair_length | Experimental | Included (some records) | This field is temporarily added for backward compatibility alongside `wheelchair_traversal_time` and will be deprecated and removed in the future. Wheelchair length is provided in meters.
+traversal_time | Optional | Included (some records) | Traversal time is provided in seconds.
+wheelchair_traversal_time | Experimental | Included (some records) | This field is included for backward compatibility and will be deprecated and removed in the future. Wheelchair traversal time is provided in seconds.
 stair_count | Optional | Included (some records) |
 pathway_name | Experimental | Included | Contains description of the path origin and destination.
 pathway_code | Experimental | Included (empty) |