int PCMSSetRoadSpeedType(Trip trip, int roadSpeedOption)


Trip trip – Handle to a trip.

int roadSpeedOption – Set to one (1) to use PC*MILER’s average road speeds by road type or set to two (2) to use historical traffic data.


Sets whether time estimate (ETA) calculations for a route will be based on the traditional PC*MILER average road speeds by road type or historical traffic data. (A license for the Traffic add-on is required for traffic data.)

Return Values 

Standard Returns 


Sample Code

// Add the stops to trip
ret = PCMSAddStop(trip, "Liverpool, NY");
ret = PCMSAddStop(trip, "Boston, MA");
ret = PCMSAddStop(trip, "Philadelphia, PA");
ret = PCMSAddStop(trip, "Baltimore, MD");

// Set Road Speed Type 
ret = PCMSSetRoadSpeedType(trip, 2);     

Supported Since: PC*MILER Connect 29

Category: Trip Options