How To Get To The Auction From Walnut Creek Go North on I-680. Take Hwy 242 North to Hwy 4. Continue on Hwy 4 East to Pittsburg. Exit at "Loveridge Road". Turn right onto Loveridge Road, then make a left onto E. Leland Road. CCCPAA is at the corner of E. Leland Road and Century Blvd.. Other Maps, And Directions To Our Location The following companies provide more detailed maps of our location. Just click on one of the logos! Driving directions are also available at these sites.