Take I-580 east toward Hayward/Stockton. Take the 35th Avenue exit. Turn left at the end of the ramp and head uphill on 35th Avenue. Turn left on Mountain Blvd. and the road ends at the HNU main gate.
Take I-580 west to the junction with Highway 13. Take Highway 13 north and exit at Carson Street/Redwood Road. Continue straight on Mountain Blvd. at the end of the freeway ramp. Turn left at stoplight onto Redwood Road and then turn right onto Mountain Blvd. and the road ends at the HNU main gate.