Take Highway 101 South to the Marsh Road exit.
Get in left lane of exit and turn left at light.
Go to light at dead end; turn right (Bayfront Expressway).
Go to the first light (Chrysler) and turn right.
Make a left at the stop sign onto Constitution.
Geron will be on the right side of the street.
2. From San Francisco Via Highway 280:
Take Highway 280 South to Highway 92 East.
Proceed on 92 to Highway 101 South.
Continue as in #1 above.
3. From San Jose Via Highway 101:
Take Highway 101 North to the Marsh Road exit.
Turn right off the exit.
Take a right at the next light (Bayfront Expressway).
Take a right at the first light (Chrysler), and a left at the stop sign onto Constitution.
Geron will be on the right side of the street.
4. From San Jose Via Highway 280:
Take Highway 280 North to Highway 85 North/San Francisco.
Highway 85 will merge into Highway 101 North.
Continue as in #3 above.
5. From the East Bay:
Cross the Bay on the Dumbarton Bridge (84).
At the light at the end of the bridge, continue straight, onto the Bayfront Expressway.
Take a left at the light on Chilco. Make a right at the stop sign onto Constitution.
We will be midway down the block on the left side of the street.
or
Take the San Mateo (92) Bridge across the Bay.
Take Highway 101 South to the Marsh Road exit.
Proceed as in #1 above.