Coasting control method based on overspeed response and eco-friendly vehicle employing the same

A coasting control method based on an overspeed response comprising:

• determining, by a controller, an event for a section speed enforcement area while a vehicle is being driven;
• and
• in response to determining the vent for the section speed enforcement area, performing, by the controller, an active coasting control for allowing the vehicle to pass through the section speed enforcement area based on a vehicle position at an event occurrence time, and
• wherein the active coasting control includes:
• determining, by the controller, the event occurrence time;
• determining, by the controller, the vehicle position using a camera detection in the section speed enforcement area;
• and
• performing, by the controller, one control selected from the group consisting of:
• a section speed enforcement pass control, a section speed enforcement middle exit control, or a section speed enforcement middle enter control based on the vehicle position and allowing the vehicle to pass through the section speed enforcement area.