Go East on Route 32, past Route 1 to next exit (I think it is Dorsey Road). Take that exit. At end of ramp, make a left at the light, go over Route 32 to second light. Make right past 7/11. Follow this road through circle past entrance to NBP 1 (near Comfort Inn). At next main street (Technology Dr) make the right. At street just past L3 Communications (Sentinel), make the left. At T intersection, make right and go around behind the building (NBP 302). 306 is directly behind building 302. Go to 4th floor in 306.
Take Route 175 Columbia Exit 41B. At the end of the exit turn on to Route 175 West
(get into the right lane). Go through the traffic light. Take Gateway Drive exit. Stay in the right lane and turn right on Alexander Bell Dr. Continue on this road until it turns into a small road amongst brick buildings and parking lots. Drive as far as you can past buildings on the left and right toward building 6750. Drive past 6750 so it is on your left. Turn left into the parking garage.
Take the Route 175 West Columbia exit 41B. At the end of the exit ramp, there will be a light. Continue
through the light onto 175 West. You will go through 2 more traffic lights once you are on 175 West.
Immediately after the 2nd light, bear right onto Gateway Drive exit. Stay in the right lane and turn
right on Alexander Bell Dr. Continue on this road until it turns into a small road amongst brick
buildings and parking lots. Drive as far as you can past buildings on the left and right toward building 6750. Drive past 6750 so it is on your left. Turn left into the parking garage.
Take the Dulles Access Road East. Follow the signs to Rt. 684/ Spring Hill Road South Exit. This is a toll exit. Stay in the far right lane. Turn right onto Spring Hill Road. At first light, make a left onto Jones Branch Dr. The building is located on the corner of Jones Branch and Westpark Dr. Make a left to enter the parking garage just before the light at the intersection. Park on the side of the garage you entered.
Take the George Washington Parkway-North to I-495 South. Exit 46B (Tysons Corner/Rt. 123 South exit.). Turn right at first light onto Tysons Blvd. Continue on Tysons Blvd. for 1 block to light(Galleria Dr./Westpark Dr.). Turn right. Go to next light and take a right on Jones Branch. This is just past the Sun building, on the corner of Westpark & Jones Branch Drives. Make a right to enter the parking garage. Park on the side of the garage you entered.
Take I-95 North to I-495 North(Rockville). Take I-495 North to Exit 46A (Tysons Corner/Rt. 123 South exit). Turn right at first light onto Tysons Blvd. See directions below from Tysons Blvd.
Take I-66 West to exit 67 (I-495/ Baltimore/Dulles Airport). From I-495, exit 46A (Tysons Corner/ Rt. 123 South). Continue on Rt.123, passing under I-495. Turn right at the next light after the overpass onto Tysons Blvd. See directions below from Tysons Blvd.
Take I-95 South to I-495 West, Exit 27 (Silver Spring). I- 495 West will turn into I-495 South. Continue on I-495 South to Exit 46A (Tysons Corner/Rt. 123 South exit). Turn right at the first light onto Tysons Blvd. See directions below from Tysons Blvd.
Continue on Tysons Blvd. for 1 block to the first light (Galleria Dr./Westpark Dr.). Turn right. Go to the next light and take a right on Jones Branch. This is just past the Sun building, on the corner of Westpark & Jones Branch Drives. Make a right to enter the parking garage. Park on the side of the garage you entered. Take the garage elevator up to ground level. Switch elevators and go up to the 1st Floor. The Sun lobby is just as step off the elevator.
