HWY 231 to TROY. Turn right off the northbound lane or left off the southbound lane onto Three Notch St. (Traffic light at Kentucky Fried Chicken). Go straight, 3.5 miles, thru downtown Troy (eight traffic lights) and continue to leave the city limits. The next light is a blinking caution light; turn left onto County Rd. 7708/ Needmore Rd (There will be a HDTR sign). Go 4 miles and HDTR is on the right.