Take the Century Freeway (105) East, to the Harbor Freeway (110) North, proceed to the San Bernardino (10) East. Exit at State; turn left and either turn to your right on Marengo Street or drive up State Street through hospital grounds to Zonal Avenue. (Parking is all along Zonal, on your left and right side).
Take the Golden State Freeway (5) South. Exit on Mission Road; turn left at Mission Road, then turn right on either Marengo Street or Zonal Avenue.
Exit at Cesar Chavez Avenue; turn left on Cesar Chavez Avenue, then make an immediate right turn on State Street. Next turn right on either Marengo Street or Zonal Avenue.
The freeway divides near the hospital; stay in the 2nd lane from the right (Santa Monica Freeway access road) and exit from this lane onto the State Street off-ramp; turn right on State Street and turn right on either Marengo Street or Zonal Avenue.
Exit at State Street; turn left to continue on State Street, and then turn right on either Marengo Street or Zonal Avenue.
The freeway branches into the San Bernardino and Santa Ana Freeways. Stay in the 2nd lane from the left until the San Bernardino Freeway becomes independent of the Santa Ana Freeway, then follow directions above for San Bernardino Freeway, East.
After the Harbor Freeway turn-off, stay in the 2nd lane from the left (marked San Bernardino, then Golden State Freeway, North) until you are past the turn-off for the Pomona Freeway (60). Then get in the right lane and take the Cesar Chavez off-ramp; turn left on Cesar Chavez Avenue and make an immediate right turn onto State Street. Next make a right on either Marengo Street or Zonal Avenue.