On board SamTrans Route 281 Arboretum &, Sand Hill Rd Posted on October 28, 2019 by Circlepoint Loading Map.... On board SamTrans Route 281 Arboretum &, Sand Hill RdArboretum &, Sand Hill Rd - East Palo AltoEvents 37.440761 -122.173884 Address Arboretum &, Sand Hill Rd East Palo Alto California 94304 United States Upcoming Events No events in this location