From the Dallas North Tollway (Dallas Parkway):
Drive north towards McKinney to Highway 380/University Drive. Turn right at the light. Go about 6.2 miles. The Tucker Hill entrance is on the left.
From US 75/121:
Drive north to McKinney. Exit Highway 380. Turn left onto Highway 380/University Drive. Continue about 4.4 miles to the Tucker Hill entrance on the right.