Add vehicle drop off restrictions

gbfs.md

@@ -395,6 +395,7 @@ Field Name | REQUIRED | Type | Defines
 \- `propulsion_type` | Yes | Enum | The primary propulsion type of the vehicle. <br /><br />Current valid values are:<br /><ul><li>`human` _(Pedal or foot propulsion)_</li><li>`electric_assist` _(Provides power only alongside human propulsion)_</li><li>`electric` _(Contains throttle mode with a battery-powered motor)_</li><li>`combustion` _(Contains throttle mode with a gas engine-powered motor)_</li></ul> This field was inspired by, but differs from the propulsion types field described in the [Open Mobility Foundation Mobility Data Specification](https://github.com/openmobilityfoundation/mobility-data-specification/blob/master/provider/README.md#propulsion-types).
 \- `max_range_meters` | Conditionally REQUIRED | Non-negative float | If the vehicle has a motor (as indicated by having a value other than `human` in the `propulsion_type` field), this field is REQUIRED. This represents the furthest distance in meters that the vehicle can travel without recharging or refueling when it has the maximum amount of energy potential (for example, a full battery or full tank of gas).
 \- `name` | OPTIONAL | String | The public name of this vehicle type.
+\- `return_type` | OPTIONAL | Array | The conditions for returning the vehicle at the end of the trip. For vehicles that have more than one return option, include all applicable methods in the array. <br /><br />Current valid values are:<br /><ul><li>`free_floating` _(The vehicle can be returned anywhere permitted within the service area)_</li><li>`roundtrip` _(The vehicle must be returned to the initial rental station)_</li><li>`station` _(The vehicle must be returned to any station within the service area - note that a specific station can be defined in [free_bike_status.json](#free_bike_status.json) using `home_station`)_
 
 ##### Example:
 
@@ -409,21 +410,24 @@ Field Name | REQUIRED | Type | Defines
         "vehicle_type_id": "abc123",
         "form_factor": "bicycle",
         "propulsion_type": "human",
-        "name": "Example Basic Bike"
+        "name": "Example Basic Bike",
+        "return_type": ["station", "free_floating"]
       },
       {
         "vehicle_type_id": "def456",
         "form_factor": "scooter",
         "propulsion_type": "electric",
         "name": "Example E-scooter V2",
-        "max_range_meters": 12345
+        "max_range_meters": 12345,
+        "return_type": ["free_floating"]
       },
       {
         "vehicle_type_id": "car1",
         "form_factor": "car",
         "propulsion_type": "combustion",
         "name": "Four-door Sedan",
-        "max_range_meters": 523992
+        "max_range_meters": 523992,
+        "return_type": ["roundtrip"]
       }
     ]
   }
@@ -656,6 +660,7 @@ Field Name | REQUIRED | Type | Defines
 \- `current_range_meters` <br/>*(added in v2.1)* | Conditionally REQUIRED | Non-negative float | If the corresponding `vehicle_type` definition for this vehicle has a motor, then this field is REQUIRED. This value represents the furthest distance in meters that the vehicle can travel without recharging or refueling with the vehicle's current charge or fuel.
 \- `station_id` <br/>*(added in v2.1)* | Conditionally REQUIRED | ID | Identifier referencing the `station_id` field in [station_information.json](#station_informationjson). REQUIRED only if the vehicle is currently at a station and the [vehicle_types.json](#vehicle_typesjson) file has been defined.
 \- `pricing_plan_id` <br/>*(added in v2.1)* | OPTIONAL | ID | The `plan_id` of the pricing plan this vehicle is eligible for as described in [system_pricing_plans.json](#system_pricing_plans.json).
+\- `home_station` | OPTIONAL | ID | The `station_id` of the station this vehicle must be returned to as defined in [station_information.json](#station_ifnormation.json).
 
 ##### Example:
 
@@ -683,7 +688,8 @@ Field Name | REQUIRED | Type | Defines
         "vehicle_type_id": "def456",
         "current_range_meters": 6543,
         "station_id": "86",
-        "pricing_plan_id": "plan3"
+        "pricing_plan_id": "plan3",
+        "home_station": "146"
       }
     ]
   }