Get on 495 and take exit 20A-20B for Annapolis Rd/MD-450 toward Bladensburg/Lanham. Turn on Harkins Rd and turn right onto Ellin Rd.
Greenbelt Metro Station
Leaving from the hotel parking lot, turn left on Ivy Lane. At the next stop sign, turn left again onto Cherrywood Lane. Following the Metro signage, turn right at the traffic circle. The train station parking is on the left and further down the road will be the pickup/bus stop area.