otp_connect | Set up and confirm a connection to an OTP instance. |
otp_create_surface | Creates a travel time surface (OTPv1 only). |
otp_evaluate_surface | Evaluates an existing travel time surface (OTPv1 only). |
otp_get_distance | Finds the distance in metres between supplied origin and destination |
otp_get_isochrone | Returns one or more travel time isochrones (OTPv1 only) |
otp_get_times | Queries OTP for the time or detailed itinerary for a trip between an origin and destination |