From Baltimore or the Columbia Area 

From I-95 South take exit 33B (Route 198 West).  Turn left at the second light onto Old Gunpowder Road.  
The Bay Hill Drive entrance to the golf course is 2 1/2 miles on the right.
-OR-                                                                                                                                                                                                   From Route 29 South, turn left on Greencastle Road.  Turn right at the end onto Old Gunpowder Road.  
Take the second right onto the Bay Hill Drive entrance to the golf course.

From the Washington D.C. Beltway 

I-95 North.  Take exit 29A  (Route 212 East).  Turn left at the first light onto Old Gunpowder Road.  
The Bay Hill Drive entrance to the golf course is 0.8 mile on the left.      OR                                                                                                                                                                                                  North on Route 1.  Left on Route 212, Powder Mill Road and go through three lights.  The road becomes
Old Gunpowder Road at the 2nd light.  Take the first left onto Bay Hill Drive after the third light.

From Annapolis

From Route 97, take 32 West.   Take I-95 South to exit 33B (Route 198 West).    Turn left at the second light
onto Old Gunpowder Road.  The Bay Hill Drive entrance to the golf course is 2 1/2 miles on the right.