This excerpt taken from the HPQ DEF 14A filed Jan 23, 2007.
From the East (Sacramento):
Take I-80 West toward San Francisco. Take I-680 South toward San Jose. Take the Mission Boulevard West exit towards I-880. Turn right onto Mission Boulevard and then merge onto I-880 South toward San Jose. Take I-880 South to Highway 237 West towards Mountain View. Take Highway 237 West to the Great America Parkway exit. Turn left onto Great America Parkway. The hotel is located at the corner of Tasman Drive and Great America Parkway.