Directions:

From Dallas: take I-35 North into Oklahoma City.  Take the I-35 exit onto I-35 N/I-40 E/US-62 E toward Wichita/Ft. Smith continue to follow I-35 N then take exit 136 toward Hefner Rd, turn left at NI-35 Service Rd and take the first left onto NE 108th St/E Hefner Rd.

From Lawton:  take I-44 E/US-277 N/US-281 N to Oklahoma city continue to follow I-44 E (Partial toll road).  Take exit onto I-44 E toward I-35/Tulsa/Wichita.  Exit 136 toward Hefner Rd.  Turn left at N I-35 Srv Rd.  Take the first left onto NE 108th St/E Hefner Rd.

From Tulsa:  take I-44 W (Partial toll road) to I-35 S/I-44 W toward Oklahoma City/Downtown. Exit 136 toward Hefner Rd.  Turn left at N I-35 Srv Rd.  Take the first left onto NE 108th St/E Hefner Rd.