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## OSRM

The `OSRM` method is the main constructor for creating an OSRM instance.
An OSRM instance requires a `.osrm` dataset, which is prepared by the OSRM toolchain.
You can create such a `.osrm` file by running the OSRM binaries we ship in `node_modules/osrm/lib/binding/` and default
profiles (e.g. for setting speeds and determining road types to route on) in `node_modules/osrm/profiles/`:

    node_modules/osrm/lib/binding/osrm-extract data.osm.pbf -p node_modules/osrm/profiles/car.lua
    node_modules/osrm/lib/binding/osrm-contract data.osrm

Consult the [osrm-backend](https://github.com/Project-OSRM/osrm-backend) documentation for further details.

Once you have a complete `network.osrm` file, you can calculate routes in javascript with this object.

```javascript
var osrm = new OSRM('network.osrm');
```

**Parameters**

-   `options` **([Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object) \| [String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String))** Options for creating an OSRM object or string to the `.osrm` file. (optional, default `{shared_memory:true}`)
    -   `options.algorithm` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)?** The algorithm to use for routing. Can be 'CH', 'CoreCH' or 'MLD'. Default is 'CH'.
               Make sure you prepared the dataset with the correct toolchain.
    -   `options.shared_memory` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)?** Connects to the persistent shared memory datastore.
               This requires you to run `osrm-datastore` prior to creating an `OSRM` object.
    -   `options.path` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)?** The path to the `.osrm` files. This is mutually exclusive with setting {options.shared_memory} to true.
    -   `options.max_locations_trip` **[Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)?** Max. locations supported in trip query (default: unlimited).
    -   `options.max_locations_viaroute` **[Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)?** Max. locations supported in viaroute query (default: unlimited).
    -   `options.max_locations_distance_table` **[Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)?** Max. locations supported in distance table query (default: unlimited).
    -   `options.max_locations_map_matching` **[Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)?** Max. locations supported in map-matching query (default: unlimited).
    -   `options.max_results_nearest` **[Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)?** Max. results supported in nearest query (default: unlimited).
    -   `options.max_alternatives` **[Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)?** Max.number of alternatives supported in alternative routes query (default: 3).

### route

Returns the fastest route between two or more coordinates while visiting the waypoints in order.

**Parameters**

-   `options` **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)** Object literal containing parameters for the route query.
    -   `options.coordinates` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** The coordinates this request will use, coordinates as `[{lon},{lat}]` values, in decimal degrees.
    -   `options.bearings` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Limits the search to segments with given bearing in degrees towards true north in clockwise direction.
                                          Can be `null` or an array of `[{value},{range}]` with `integer 0 .. 360,integer 0 .. 180`.
    -   `options.radiuses` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Limits the coordinate snapping to streets in the given radius in meters. Can be `null` (unlimited, default) or `double >= 0`.
    -   `options.hints` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Hints for the coordinate snapping. Array of base64 encoded strings.
    -   `options.alternatives` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Search for alternative routes. (optional, default `false`)
    -   `options.alternatives` **[Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)** Search for up to this many alternative routes.
        _Please note that even if alternative routes are requested, a result cannot be guaranteed._ (optional, default `0`)
    -   `options.steps` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Return route steps for each route leg. (optional, default `false`)
    -   `options.annotations` **([Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array) \| [Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean))** An array with strings of `duration`, `nodes`, `distance`, `weight`, `datasources`, `speed` or boolean for enabling/disabling all. (optional, default `false`)
    -   `options.geometries` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)** Returned route geometry format (influences overview and per step). Can also be `geojson`. (optional, default `polyline`)
    -   `options.overview` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)** Add overview geometry either `full`, `simplified` according to highest zoom level it could be display on, or not at all (`false`). (optional, default `simplified`)
    -   `options.continue_straight` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)?** Forces the route to keep going straight at waypoints and don't do a uturn even if it would be faster. Default value depends on the profile.
    -   `options.approaches` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Keep waypoints on curb side. Can be `null` (unrestricted, default) or `curb`.
                         `null`/`true`/`false`
-   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** 

**Examples**

```javascript
var osrm = new OSRM("berlin-latest.osrm");
osrm.route({coordinates: [[52.519930,13.438640], [52.513191,13.415852]]}, function(err, result) {
  if(err) throw err;
  console.log(result.waypoints); // array of Waypoint objects representing all waypoints in order
  console.log(result.routes); // array of Route objects ordered by descending recommendation rank
});
```

Returns **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)** An array of [Waypoint](#waypoint) objects representing all waypoints in order AND an array of [`Route`](#route) objects ordered by descending recommendation rank.

### nearest

Snaps a coordinate to the street network and returns the nearest n matches.

Note: `coordinates` in the general options only supports a single `{longitude},{latitude}` entry.

**Parameters**

-   `options` **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)** Object literal containing parameters for the nearest query.
    -   `options.coordinates` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** The coordinates this request will use, coordinates as `[{lon},{lat}]` values, in decimal degrees.
    -   `options.bearings` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Limits the search to segments with given bearing in degrees towards true north in clockwise direction.
                                          Can be `null` or an array of `[{value},{range}]` with `integer 0 .. 360,integer 0 .. 180`.
    -   `options.radiuses` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Limits the coordinate snapping to streets in the given radius in meters. Can be `null` (unlimited, default) or `double >= 0`.
    -   `options.hints` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Hints for the coordinate snapping. Array of base64 encoded strings.
    -   `options.number` **[Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)** Number of nearest segments that should be returned.
        Must be an integer greater than or equal to `1`. (optional, default `1`)
    -   `options.approaches` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Keep waypoints on curb side. Can be `null` (unrestricted, default) or `curb`.
-   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** 

**Examples**

```javascript
var osrm = new OSRM('network.osrm');
var options = {
  coordinates: [[13.388860,52.517037]],
  number: 3,
  bearings: [[0,20]]
};
osrm.nearest(options, function(err, response) {
  console.log(response.waypoints); // array of Waypoint objects
});
```

Returns **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)** containing `waypoints`.
**`waypoints`**: array of [`Ẁaypoint`](#waypoint) objects sorted by distance to the input coordinate.
                 Each object has an additional `distance` property, which is the distance in meters to the supplied input coordinate.

### table

Computes duration tables for the given locations. Allows for both symmetric and asymmetric
tables.

**Parameters**

-   `options` **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)** Object literal containing parameters for the table query.
    -   `options.coordinates` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** The coordinates this request will use, coordinates as `[{lon},{lat}]` values, in decimal degrees.
    -   `options.bearings` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Limits the search to segments with given bearing in degrees towards true north in clockwise direction.
                                          Can be `null` or an array of `[{value},{range}]` with `integer 0 .. 360,integer 0 .. 180`.
    -   `options.radiuses` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Limits the coordinate snapping to streets in the given radius in meters. Can be `null` (unlimited, default) or `double >= 0`.
    -   `options.hints` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Hints for the coordinate snapping. Array of base64 encoded strings.
    -   `options.sources` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** An array of `index` elements (`0 <= integer < #coordinates`) to
        use
        location with given index as source. Default is to use all.
    -   `options.destinations` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** An array of `index` elements (`0 <= integer <
        #coordinates`) to use location with given index as destination. Default is to use all.
    -   `options.approaches` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Keep waypoints on curb side. Can be `null` (unrestricted, default) or `curb`.
-   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** 

**Examples**

```javascript
var osrm = new OSRM('network.osrm');
var options = {
  coordinates: [
    [13.388860,52.517037],
    [13.397634,52.529407],
    [13.428555,52.523219]
  ]
};
osrm.table(options, function(err, response) {
  console.log(response.durations); // array of arrays, matrix in row-major order
  console.log(response.sources); // array of Waypoint objects
  console.log(response.destinations); // array of Waypoint objects
});
```

Returns **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)** containing `durations`, `sources`, and `destinations`.
**`durations`**: array of arrays that stores the matrix in row-major order. `durations[i][j]` gives the travel time from the i-th waypoint to the j-th waypoint.
                 Values are given in seconds.
**`sources`**: array of [`Ẁaypoint`](#waypoint) objects describing all sources in order.
**`destinations`**: array of [`Ẁaypoint`](#waypoint) objects describing all destinations in order.

### tile

This generates [Mapbox Vector Tiles](https://mapbox.com/vector-tiles) that can be viewed with a
vector-tile capable slippy-map viewer. The tiles contain road geometries and metadata that can
be used to examine the routing graph. The tiles are generated directly from the data in-memory,
so are in sync with actual routing results, and let you examine which roads are actually
routable,
and what weights they have applied.

**Parameters**

-   `ZXY` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)** an array consisting of `x`, `y`, and `z` values representing tile coordinates like
           [wiki.openstreetmap.org/wiki/Slippy_map_tilenames](https://wiki.openstreetmap.org/wiki/Slippy_map_tilenames)
           and are supported by vector tile viewers like [Mapbox GL JS](https://www.mapbox.com/mapbox-gl-js/api/).
-   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** 

**Examples**

```javascript
var osrm = new OSRM('network.osrm');
osrm.tile([0, 0, 0], function(err, response) {
  if (err) throw err;
  fs.writeFileSync('./tile.vector.pbf', response); // write the buffer to a file
});
```

Returns **[Buffer](https://nodejs.org/api/buffer.html)** contains a Protocol Buffer encoded vector tile.

### match

Map matching matches given GPS points to the road network in the most plausible way.
Please note the request might result multiple sub-traces. Large jumps in the timestamps
(>60s) or improbable transitions lead to trace splits if a complete matching could
not be found. The algorithm might not be able to match all points. Outliers are removed
if they can not be matched successfully.

**Parameters**

-   `options` **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)** Object literal containing parameters for the match query.
    -   `options.coordinates` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** The coordinates this request will use, coordinates as `[{lon},{lat}]` values, in decimal degrees.
    -   `options.bearings` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Limits the search to segments with given bearing in degrees towards true north in clockwise direction.
                                          Can be `null` or an array of `[{value},{range}]` with `integer 0 .. 360,integer 0 .. 180`.
    -   `options.hints` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Hints for the coordinate snapping. Array of base64 encoded strings.
    -   `options.steps` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Return route steps for each route. (optional, default `false`)
    -   `options.annotations` **([Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array) \| [Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean))** An array with strings of `duration`, `nodes`, `distance`, `weight`, `datasources`, `speed` or boolean for enabling/disabling all. (optional, default `false`)
    -   `options.geometries` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)** Returned route geometry format (influences overview and per step). Can also be `geojson`. (optional, default `polyline`)
    -   `options.overview` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)** Add overview geometry either `full`, `simplified` according to highest zoom level it could be display on, or not at all (`false`). (optional, default `simplified`)
    -   `options.timestamps` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)&lt;[Number](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number)>?** Timestamp of the input location (integers, UNIX-like timestamp).
    -   `options.radiuses` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Standard deviation of GPS precision used for map matching. If applicable use GPS accuracy. Can be `null` for default value `5` meters or `double >= 0`.
    -   `options.gaps` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)?** Allows the input track splitting based on huge timestamp gaps between points. Either `split` or `ignore` (optional, default `split`).
    -   `options.tidy` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)?** Allows the input track modification to obtain better matching quality for noisy tracks (optional, default `false`).
-   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** 

**Examples**

```javascript
var osrm = new OSRM('network.osrm');
var options = {
    coordinates: [[13.393252,52.542648],[13.39478,52.543079],[13.397389,52.542107]],
    timestamps: [1424684612, 1424684616, 1424684620]
};
osrm.match(options, function(err, response) {
    if (err) throw err;
    console.log(response.tracepoints); // array of Waypoint objects
    console.log(response.matchings); // array of Route objects
});
```

Returns **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)** containing `tracepoints` and `matchings`.
**`tracepoints`** Array of [`Ẁaypoint`](#waypoint) objects representing all points of the trace in order.
                  If the trace point was ommited by map matching because it is an outlier, the entry will be null.
                  Each `Waypoint` object includes two additional properties, 1) `matchings_index`: Index to the
                  [`Route`](#route) object in matchings the sub-trace was matched to, 2) `waypoint_index`: Index of
                  the waypoint inside the matched route.
**`matchings`** is an array of [`Route`](#route) objects that assemble the trace. Each `Route` object has an additional `confidence` property,
                which is the confidence of the matching. float value between `0` and `1`. `1` is very confident that the matching is correct.

### trip

The trip plugin solves the Traveling Salesman Problem using a greedy heuristic
(farthest-insertion algorithm) for 10 or _ more waypoints and uses brute force for less than 10
waypoints. The returned path does not have to be the shortest path, _ as TSP is NP-hard it is
only an approximation.

Note that all input coordinates have to be connected for the trip service to work.
Currently, not all combinations of `roundtrip`, `source` and `destination` are supported.
Right now, the following combinations are possible:

| roundtrip | source | destination | supported |
| :-------- | :----- | :---------- | :-------- |
| true      | first  | last        | **yes**   |
| true      | first  | any         | **yes**   |
| true      | any    | last        | **yes**   |
| true      | any    | any         | **yes**   |
| false     | first  | last        | **yes**   |
| false     | first  | any         | no        |
| false     | any    | last        | no        |
| false     | any    | any         | no        |

**Parameters**

-   `options` **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)** Object literal containing parameters for the trip query.
    -   `options.coordinates` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** The coordinates this request will use, coordinates as `[{lon},{lat}]` values, in decimal degrees.
    -   `options.bearings` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Limits the search to segments with given bearing in degrees towards true north in clockwise direction.
                                          Can be `null` or an array of `[{value},{range}]` with `integer 0 .. 360,integer 0 .. 180`.
    -   `options.radiuses` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Limits the coordinate snapping to streets in the given radius in meters. Can be `double >= 0` or `null` (unlimited, default).
    -   `options.hints` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Hints for the coordinate snapping. Array of base64 encoded strings.
    -   `options.steps` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Return route steps for each route. (optional, default `false`)
    -   `options.annotations` **([Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array) \| [Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean))** An array with strings of `duration`, `nodes`, `distance`, `weight`, `datasources`, `speed` or boolean for enabling/disabling all. (optional, default `false`)
    -   `options.geometries` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)** Returned route geometry format (influences overview and per step). Can also be `geojson`. (optional, default `polyline`)
    -   `options.overview` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)** Add overview geometry either `full`, `simplified` (optional, default `simplified`)
    -   `options.roundtrip` **[Boolean](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Boolean)** Return route is a roundtrip. (optional, default `true`)
    -   `options.source` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)** Return route starts at `any` or `first` coordinate. (optional, default `any`)
    -   `options.destination` **[String](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String)** Return route ends at `any` or `last` coordinate. (optional, default `any`)
    -   `options.approaches` **[Array](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array)?** Keep waypoints on curb side. Can be `null` (unrestricted, default) or `curb`.
-   `callback` **[Function](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function)** 

**Examples**

```javascript
var osrm = new OSRM('network.osrm');
var options = {
  coordinates: [
    [13.36761474609375, 52.51663871100423],
    [13.374481201171875, 52.506191342034576]
  ],
  source: "first",
  destination: "last",
  roundtrip: false
}
osrm.trip(options, function(err, response) {
  if (err) throw err;
  console.log(response.waypoints); // array of Waypoint objects
  console.log(response.trips); // array of Route objects
});
```

Returns **[Object](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object)** containing `waypoints` and `trips`.
**`waypoints`**: an array of [`Waypoint`](#waypoint) objects representing all waypoints in input order.
                 Each Waypoint object has the following additional properties,
                 1) `trips_index`: index to trips of the sub-trip the point was matched to, and
                 2) `waypoint_index`: index of the point in the trip.
**`trips`**: an array of [`Route`](#route) objects that assemble the trace.

## Responses

Responses

### Route

Represents a route through (potentially multiple) waypoints.

**Parameters**

-   `exteral` **documentation** in
    [`osrm-backend`](../http.md#route)

### RouteLeg

Represents a route between two waypoints.

**Parameters**

-   `exteral` **documentation** in
    [`osrm-backend`](../http.md#routeleg)

### RouteStep

A step consists of a maneuver such as a turn or merge, followed by a distance of travel along a
single way to the subsequent step.

**Parameters**

-   `exteral` **documentation** in
    [`osrm-backend`](https://github.com/Project-OSRM/osrm-backend/blob/master/docs/http.md#routestep)

### StepManeuver

**Parameters**

-   `exteral` **documentation** in
    [`osrm-backend`](https://github.com/Project-OSRM/osrm-backend/blob/master/docs/http.md#stepmaneuver)

### Waypoint

Object used to describe waypoint on a route.

**Parameters**

-   `exteral` **documentation** in
    [`osrm-backend`](https://github.com/Project-OSRM/osrm-backend/blob/master/docs/http.md#waypoint)
