NIH Trolley Trail Route - Southbound

Gaither Road, leaving King Farm, heading downhill. (Bike Path)
Gude Drive at . (Bike Path)
Bike Path at (Piccard Dr). Follow path around Senior Center.
Woodley Dr
Azalea Dr at
Nelson St at (Bike Lane)
Anderson Ave (follow Bike Route Signs)
Harrison St (follow Bike Route Signs)
North Van Buren St at
Montgomery Ave (Rt 28) at . Continue on Great Falls Rd (Bike Path)
becomes Potomac Valley Rd at
New Mark Esplanade at . (follow road around sharp left bend)
short Bike Path at end of street
Entering Dogwood Park - following parking lot, keeping ballfield on your left.
at end of parking lot onto short bike path. Becomes Grand Oak Way. Head downhill.
Tower Oaks Blvd at circle
Wootton Pkwy at , continuing on Tower Oaks Blvd (optional sidewalk)
Montrose Rd Recommend using sidewalk to
Hitching Post Ln, crossing Montrose Rd at
Old Stage Rd (optional Sidewalk)
at bottom of hill onto Tilden Ln (optional Sidewalk)
bike path immediately after Marcliff Rd
onto Poindexter Ln at end of path
Old Georgetown Rd at , becomes Edson Ln* (optional Sidewalk)
Bethesda Trolley Trail at (Woodglen Dr)
Tuckerman Ln. Bethesda Trolley Trail continues from retirement home parking lot.(crossing over I-270)
Continue along Fleming Ave, crossing Grosvenor Ln
Bethesda Trolley Trail (crossing over I-495)
Continue along Montgomery Dr
at Beech Ave, continuing on Bethesda Trolley Trail
Old Georgetown Rd (at Charles St) (optional Sidewalk)


NIH Trolley Trail Route - Northbound

Old Georgetown Rd, leaving NIH (optional Sidewalk)
Bethesda Trolley Trail (at Charles St)
Continue along Montgomery Dr
Bethesda Trolley Trail (crossing over I-495)
Continue along Fleming Ave (crossing Grosvenor Ln)
Bethesda Trolley Trail (crossing over I-270)
Tuckerman Ln (at retirement home), continuing on Bethesda Trolley Trail
Edson Ln (optional Sidewalk)
Old Georgetown Rd at , becomes Poindexter Ln*
bike path at end of Poindexter Ln
Tilden Ln (optional Sidewalk)
at bottom of hill onto Old Stage Rd (optional Sidewalk)
after top of hill onto Hitching Post Ln
Montrose Rd at . Recommend sidewalk on far side of road.
Tower Oaks Blvd (optional Sidewalk)
Wootton Pkwy at , continuing on Tower Oaks Blvd OPTION: Turn Left here on Wootton Pkwy Trail.
Grand Oak Way at circle. Continue straight up hill to bike path.
Dogwood Park - following parking lot ¾ around circle to exit.
Bicycle Path, almost immediately after leaving Dogwood Park. Becomes New Mark Esplanade (follow road around sharp right bend)
Potomac Valley Rd (signed Bike Route)
Great Falls Rd at . Optional Bike Path on "wrong" side of street
Montgomery Ave (Rt 28) at . Continue on North Van Buren St
Harrison St (follow Bike Route Signs)
Anderson Ave (follow Bike Route Signs)
Nelson St at (Bike Lane)
Azalea Dr, right after shopping center
Woodley Dr (Bike Route sign to Senior Center)
Bike Path at end of street. Follow path past Senior Center toward Gude Drive.
Gude Drive at . (Bike Path)
Gaither Road at . (Bike Path)

* A "Do Not Enter" sign makes this technically not allowed. Proceed at own risk.

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