Directions from Downtown Dallas:

Go north on Dallas North Tollway, past Highway 121 (Sam Rayburn Tollway) and exit Warren Pkwy.  Turn left on Warren Pkwy and left again at Legacy Drive.  Stonebriar Drive is the next right at the light. Turn right on Stonebriar into the left lane at the Guardhouse.  

Directions from DFW Airport:

Exit the north Airport Exit and take Highway 121 East (north) towards McKinney. Highway 121 becomes Sam Rayburn Tollway. Several miles past Interstate 35E, exit Legacy Drive.  Turn left (north) on Legacy Drive.  Continue past Westin Resort and Stonebriar Country Club and turn left at the traffic light at Stonebriar Drive.  Stay in the left lane at the Guardhouse.