diff --git a/src/hvvclient.ts b/src/hvvclient.ts
index 9d9a17a..b7dcc36 100644
--- a/src/hvvclient.ts
+++ b/src/hvvclient.ts
@@ -1,15 +1,16 @@
 import { CoordinateType, SDType } from './enums';
-import { checkName } from './requests/checkname';
-import { init } from './requests/init';
-import { listStations } from './requests/liststations';
-import { AnnouncementRequest, CNRequest, LSRequest } from './requests/requesttypes';
+import { checkName, CNRequest } from './requests/checkname';
+import { init, InitRequest } from './requests/init';
+import { listStations, LSRequest } from './requests/liststations';
 import { AnnouncementResponse, CNResponse, InitResponse, LSResponse } from './responses/responsetypes';
-import { getAnnouncements } from './requests/getannouncements';
+import { getAnnouncements, AnnouncementRequest } from './requests/getannouncements';
+import { GRRequest, getRoute, GRResponse } from './requests/getroute';
+import { generateHeaders } from './request';
 
 export interface HVVClientInterface {
-  init(): Promise<InitResponse>;
+  init(req: InitRequest): Promise<InitResponse>;
   checkName(req: CNRequest): Promise<CNResponse>;
-  getRoute(): void;
+  getRoute(req: GRRequest): Promise<GRResponse>;
   departureList(): void;
   getTariff(): void;
   departureCourse(): void;
@@ -87,22 +88,25 @@ export default class HVVClient implements HVVClientInterface {
   /**
    * Returns some server status informations (schedule validity, data version, program version, ...)
    */
-  public init() {
-    return init({}, this.options);
+  public init(req: InitRequest) {
+    const headers = generateHeaders(this.options, req);
+    return init(headers, this.options, req);
   }
 
   /**
    * Verifies the user input and returns a list of possible unique places for that input
    */
   public checkName(req: CNRequest): Promise<CNResponse> {
-    return checkName(this.options, req);
+    const headers = generateHeaders(this.options, req);
+    return checkName(headers, this.options, req);
   }
 
   /**
    * Calculates a route for the given parameters
    */
-  public getRoute() {
-    console.log('I am not implemented yet');
+  public getRoute(req: GRRequest): Promise<GRResponse> {
+    const headers = generateHeaders(this.options, req);
+    return getRoute(headers, this.options, req);
   }
 
   /**
@@ -130,7 +134,9 @@ export default class HVVClient implements HVVClientInterface {
    * Returns a list of stations
    */
   public listStations(req?: LSRequest): Promise<LSResponse> {
-    return listStations(this.options, req);
+    const reqObj = req || {};
+    const headers = generateHeaders(this.options, reqObj);
+    return listStations(headers, this.options, reqObj);
   }
 
   /**
@@ -144,7 +150,8 @@ export default class HVVClient implements HVVClientInterface {
    * Returns a list schedule variance announcements
    */
   public getAnnouncements(req: AnnouncementRequest) {
-    return getAnnouncements(req, this.options);
+    const headers = generateHeaders(this.options, req);
+    return getAnnouncements(headers, this.options, req);
   }
 
   /**
diff --git a/src/request.ts b/src/request.ts
index 487143b..2e46f19 100644
--- a/src/request.ts
+++ b/src/request.ts
@@ -7,15 +7,15 @@ import { CoordinateType, FilterType, RealtimeType, SimpleServiceType } from './e
 import { HVVClientOptions } from './hvvclient';
 import { ContSearchByServiceId, GTITime, SDName, TariffInfoSelector } from './othertypes';
 import { PenaltyInterface } from './penalties';
-import { BaseRequestType, RequestHeaders } from './requests/requesttypes';
+import { RequestHeaders, BaseRequest } from './requests/requesttypes';
 
 /**
  * Encrypts the payload via an RFC2104 HMAC (SHA1) and base64 encoding
- * @param {BaseRequestType} payload The request body to encrypt
- * @param {string} key The (private) key to encrypt with
- * @return {string} The encrypted message
+ * @param payload The request body to encrypt
+ * @param key The (private) key to encrypt with
+ * @return The encrypted message
  */
-export const signRequest = (payload: BaseRequestType, key: string): string => {
+const signRequest = (payload: BaseRequest, key: string): string => {
   const hmac = crypto.createHmac('sha1', key);
 
   hmac.update(JSON.stringify(payload));
@@ -24,12 +24,13 @@ export const signRequest = (payload: BaseRequestType, key: string): string => {
 };
 
 /**
- * Generates all HTTP headers for a request
- * @param {HVVClientOptions} options
- * @param {string} signature
- * @return {RequestHeaders}
+ * Generates all HTTP headers for a given request
+ * @param options The options containing the `key`, `Content-Type`, etc
+ * @param payload The request body
+ * @return
  */
-export const generateHeaders = (options: HVVClientOptions, signature: string): RequestHeaders => {
+export const generateHeaders = (options: HVVClientOptions, payload: BaseRequest): RequestHeaders => {
+  const signature = signRequest(payload, options.key);
   const headers: RequestHeaders = {
     'Content-Type': `${options.contentType};charset=UTF-8`,
     Accept: options.accept,
diff --git a/src/requests/checkname.ts b/src/requests/checkname.ts
index 3316045..cefd95e 100644
--- a/src/requests/checkname.ts
+++ b/src/requests/checkname.ts
@@ -1,15 +1,22 @@
 import * as request from 'request-promise';
 import { RequestError, StatusCodeError } from 'request-promise/errors';
-import { ReturnCode, SDType } from '../enums';
+import { ReturnCode, SDType, CoordinateType } from '../enums';
 import { HVVClientOptions } from '../hvvclient';
-import { generateHeaders, signRequest } from '../request';
+import { generateHeaders } from '../request';
 import { CNResponse } from '../responses/responsetypes';
-import { CNRequest } from './requesttypes';
+import { BaseRequest, RequestHeaders } from './requesttypes';
+import { SDName } from '../othertypes';
 
-export const checkName = (options: HVVClientOptions, req: CNRequest): Promise<CNResponse> => {
-  const signature = signRequest(req, options.key);
-  const headers = generateHeaders(options, signature);
+export interface CNRequest extends BaseRequest {
+  theName: SDName;
+  maxList?: number;
+  maxDistance?: number;
+  coordinateType?: CoordinateType;
+  tariffDetails?: boolean;
+  allowTypeSwitch?: boolean;
+}
 
+export const checkName = (headers: RequestHeaders, options: HVVClientOptions, req: CNRequest): Promise<CNResponse> => {
   return new Promise<CNResponse>((resolve, reject) => {
     request({
       uri: `${options.host}/gti/public/checkName`,
diff --git a/src/requests/getannouncements.ts b/src/requests/getannouncements.ts
index 8160c63..c8a1ed5 100644
--- a/src/requests/getannouncements.ts
+++ b/src/requests/getannouncements.ts
@@ -1,18 +1,24 @@
 import * as request from 'request-promise';
 import { RequestError, StatusCodeError } from 'request-promise/errors';
-import { ReturnCode } from '../enums';
+import { ReturnCode, AnnouncementFilterPlannedType } from '../enums';
 import { HVVClientOptions } from '../hvvclient';
-import { generateHeaders, signRequest } from '../request';
+import { generateHeaders } from '../request';
 import { AnnouncementResponse } from '../responses/responsetypes';
-import { AnnouncementRequest } from './requesttypes';
+import { BaseRequest, RequestHeaders } from './requesttypes';
+import { TimeRange } from '../penalties';
+
+export interface AnnouncementRequest extends BaseRequest {
+  names?: string[];
+  timeRange?: TimeRange;
+  full?: boolean;
+  filterPlanned?: AnnouncementFilterPlannedType;
+}
 
 export const getAnnouncements = (
-  req: AnnouncementRequest,
-  options: HVVClientOptions
+  headers: RequestHeaders,
+  options: HVVClientOptions,
+  req: AnnouncementRequest
 ): Promise<AnnouncementResponse> => {
-  const signature = signRequest(req, options.key);
-  const headers = generateHeaders(options, signature);
-
   return new Promise<AnnouncementResponse>((resolve, reject) => {
     request({
       uri: `${options.host}/gti/public/getAnnouncements`,
diff --git a/src/requests/getroute.ts b/src/requests/getroute.ts
new file mode 100644
index 0000000..f5dbcad
--- /dev/null
+++ b/src/requests/getroute.ts
@@ -0,0 +1,77 @@
+import * as request from 'request-promise';
+import { BaseRequest, RequestHeaders } from './requesttypes';
+import { HVVClientOptions } from '../hvvclient';
+import { SDName, GTITime, ContSearchByServiceId, TariffInfoSelector } from '../othertypes';
+import { CoordinateType, RealtimeType, SimpleServiceType, ReturnCode } from '../enums';
+import { PenaltyInterface } from '../penalties';
+import { BaseResponseType } from '../responses/responsetypes';
+import { StatusCodeError, RequestError } from 'request-promise/errors';
+
+export interface GRRequest extends BaseRequest {
+  start: SDName;
+  dest: SDName;
+  via?: SDName;
+  time?: GTITime;
+  timeIsDeparture?: boolean;
+  numberOfSchedules?: number;
+  tariffDetails?: boolean;
+  continousSearch?: boolean;
+  contSearchByServiceId?: ContSearchByServiceId;
+  coordinateType?: CoordinateType;
+  schedulesBefore?: number;
+  schedulesAfter?: number;
+  returnReduced?: boolean;
+  tariffInfoSelector?: TariffInfoSelector[];
+  penalties?: PenaltyInterface[];
+  returnPartialTickets?: boolean;
+  realtime?: RealtimeType;
+  intermediateStops?: boolean;
+  useStationPosition?: boolean;
+  forcedStart?: SDName;
+  forcedDest?: SDName;
+  toStartBy?: SimpleServiceType;
+  toDestBy?: SimpleServiceType;
+  returnContSearchData?: boolean;
+}
+
+/** getRoute Response */
+export interface GRResponse extends BaseResponseType {
+  asdf: string; // TODO
+}
+
+/**
+ * `/getRoute` request
+ * @param headers
+ * @param options
+ * @param req
+ */
+export const getRoute = (headers: RequestHeaders, options: HVVClientOptions, req: GRRequest) => {
+  return new Promise<GRResponse>((resolve, reject) => {
+    request({
+      uri: `${options.host}/gti/public/getRoute`,
+      method: 'POST',
+      body: req,
+      headers,
+      json: true
+    })
+      .then(res => normalizeResponse(res, resolve, reject))
+      .catch(StatusCodeError, e => reject(e))
+      .catch(RequestError, e => reject(e));
+  });
+};
+
+const normalizeResponse = (res: any, resolve: (res: any) => void, reject: (reason: string) => void) => {
+  switch (res.returnCode) {
+    case ReturnCode.OK:
+      resolve(res);
+      break;
+    case ReturnCode.ERROR_CN_TOO_MANY:
+    case ReturnCode.ERROR_COMM:
+    case ReturnCode.ERROR_ROUTE:
+    case ReturnCode.ERROR_TEXT:
+      reject(res);
+      break;
+    default:
+      reject('unknown returnCode');
+  }
+};
diff --git a/src/requests/init.ts b/src/requests/init.ts
index e4e538e..662c2ba 100644
--- a/src/requests/init.ts
+++ b/src/requests/init.ts
@@ -2,14 +2,19 @@ import * as request from 'request-promise';
 import { RequestError, StatusCodeError } from 'request-promise/errors';
 import { ReturnCode } from '../enums';
 import { HVVClientOptions } from '../hvvclient';
-import { generateHeaders, signRequest } from '../request';
 import { InitResponse } from '../responses/responsetypes';
-import { BaseRequestType, InitRequest } from './requesttypes';
+import { BaseRequest, RequestHeaders } from './requesttypes';
 
-export const init = (req: InitRequest, options: HVVClientOptions): Promise<InitResponse> => {
-  const signature = signRequest(req, options.key);
-  const headers = generateHeaders(options, signature);
+// tslint:disable-next-line
+export interface InitRequest extends BaseRequest {}
 
+/**
+ * `/init` request
+ * @param req
+ * @param headers
+ * @param options
+ */
+export const init = (headers: RequestHeaders, options: HVVClientOptions, req: InitRequest): Promise<InitResponse> => {
   return new Promise<InitResponse>((resolve, reject) => {
     request({
       uri: `${options.host}/gti/public/init`,
diff --git a/src/requests/liststations.ts b/src/requests/liststations.ts
index 513679d..3542e23 100644
--- a/src/requests/liststations.ts
+++ b/src/requests/liststations.ts
@@ -1,16 +1,23 @@
 import * as request from 'request-promise';
 import { RequestError, StatusCodeError } from 'request-promise/errors';
-import { ReturnCode } from '../enums';
+import { ReturnCode, ModificationType, CoordinateType } from '../enums';
 import { HVVClientOptions } from '../hvvclient';
-import { generateHeaders, signRequest } from '../request';
+import { generateHeaders } from '../request';
 import { LSResponse } from '../responses/responsetypes';
-import { LSRequest } from './requesttypes';
+import { BaseRequest, RequestHeaders } from './requesttypes';
 
-export const listStations = (options: HVVClientOptions, req?: LSRequest): Promise<LSResponse> => {
-  req = req || {};
-  const signature = signRequest(req, options.key);
-  const headers = generateHeaders(options, signature);
+export interface LSRequest extends BaseRequest {
+  dataReleaseID?: string;
+  modificationTypes?: ModificationType[];
+  coordinateType?: CoordinateType;
+  filterEquivalent?: boolean;
+}
 
+export const listStations = (
+  headers: RequestHeaders,
+  options: HVVClientOptions,
+  req: LSRequest
+): Promise<LSResponse> => {
   return new Promise<LSResponse>((resolve, reject) => {
     request({
       uri: `${options.host}/gti/public/listStations`,
diff --git a/src/requests/requesttypes.ts b/src/requests/requesttypes.ts
index f6d5af9..eac90aa 100644
--- a/src/requests/requesttypes.ts
+++ b/src/requests/requesttypes.ts
@@ -21,65 +21,8 @@ export interface RequestHeaders {
   'User-Agent'?: string;
 }
 
-export interface BaseRequestType {
+export interface BaseRequest {
   version?: number;
   language?: 'de' | 'en';
   filterType?: FilterType;
 }
-
-// tslint:disable-next-line
-export interface InitRequest extends BaseRequestType {}
-
-/** checkName Request */
-export interface CNRequest extends BaseRequestType {
-  theName: SDName;
-  maxList?: number;
-  maxDistance?: number;
-  coordinateType?: CoordinateType;
-  tariffDetails?: boolean;
-  allowTypeSwitch?: boolean;
-}
-
-/** getRoute Request */
-export interface GRRequest extends BaseRequestType {
-  start: SDName;
-  dest: SDName;
-  via?: SDName;
-  time?: GTITime;
-  timeIsDeparture?: boolean;
-  numberOfSchedules?: number;
-  tariffDetails?: boolean;
-  continousSearch?: boolean;
-  contSearchByServiceId?: ContSearchByServiceId;
-  coordinateType?: CoordinateType;
-  schedulesBefore?: number;
-  schedulesAfter?: number;
-  returnReduced?: boolean;
-  tariffInfoSelector?: TariffInfoSelector[];
-  penalties?: PenaltyInterface[];
-  returnPartialTickets?: boolean;
-  realtime?: RealtimeType;
-  intermediateStops?: boolean;
-  useStationPosition?: boolean;
-  forcedStart?: SDName;
-  forcedDest?: SDName;
-  toStartBy?: SimpleServiceType;
-  toDestBy?: SimpleServiceType;
-  returnContSearchData?: boolean;
-}
-
-/** listStations Request */
-export interface LSRequest extends BaseRequestType {
-  dataReleaseID?: string;
-  modificationTypes?: ModificationType[];
-  coordinateType?: CoordinateType;
-  filterEquivalent?: boolean;
-}
-
-/** getAnnouncements Request */
-export interface AnnouncementRequest extends BaseRequestType {
-  names?: string[];
-  timeRange?: TimeRange;
-  full?: boolean;
-  filterPlanned?: AnnouncementFilterPlannedType;
-}
diff --git a/tsconfig.json b/tsconfig.json
index cfb9a3f..cc3d85f 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,10 +12,6 @@
     "forceConsistentCasingInFileNames": true,
     "alwaysStrict": true
   },
-  "include": [
-    "src/**/*.ts"
-  ],
-  "exclude": [
-    "**/__mocks__/*"
-  ]
-}
\ No newline at end of file
+  "include": ["src/**/*.ts"],
+  "exclude": ["**/__mocks__/*"]
+}
diff --git a/tslint.json b/tslint.json
index 673345b..30bb4e6 100644
--- a/tslint.json
+++ b/tslint.json
@@ -5,7 +5,6 @@
     "no-console": false,
     "object-literal-sort-keys": false,
     "no-submodule-imports": false,
-    "no-implicit-dependencies": false,
     "ordered-imports": false
   }
 }