I recommend taking highway 199 / 101 through California. Your last DC quick charge will be at Grants Pass, not Ashland.
http://www.PlugShare.com" onclick="window.open(this.href);return false; is your friend !!!
This is how I did it in 2012. It is far easier now.
City - address - [notes on charge services available]
Grants Pass, Oregon - Exit 58, 1995 NW Vine Street [AV-DC]
Obrian, Oregon - Lone Mountain RV Park [NEMA 14-50]
California, USA:
Crescent City - numerous RV parks [NEMA 14-50]
Trinidad - numerous RV parks [NEMA 14-50]
Eureka - 2 "C" Street [Chargepoint L2]
Redcrest - RV park, 707-722-4396 [NEMA 14-50]
Leggett - numerous RV parks [NEMA 14-50]
Ukiah - Super 8 hotel, 693 South Orchard Avenue, 707-468-8181 [AV L2 - overnight]
Santa Rosa - Nissan, 1275 Santa Rosa Ave [L2, Blink DC]
Belmont - Volkswagen, 600 Clipper Dr [Blink DC]
Palo Alto - 660 Stanford Shopping Center, 650-617-8202 [350green DC]
Watsonville, 275 Main St #400, [Blink L2]
Big Sur - RV Camping, 47000 Highway 1, Phone 831-667-2322 [NEMA 14-50, overnight]
Lucia - Lucia Lodge, 62400 California 1, 831-667-2391 [120 volts]
San Simeon - Hearst Winery, 442 Slo San Simeon Road, 805-927-4100, POC: Geraldine [Dryer NEMA 10-30]
Morro Bay - RV Park, 1700 Embarcadero 805-772-2722 [NEMA 14-50]
San Luis Obisbo - Target, 11990 Los Osos Valley Rd [Clipper Creek L2]
Pismo Beach - Air Park Drive, numerous RV parks with: [NEMA 14-50]
Solvang - 1556 Mission Drive [Chargepoint L2]
Solvang, Holiday Inn Express, 1455 Mission Drive, 805-688-2018 [overnight]
Santa Barbara - 4770 Calle Real [Blink L2]
Ventura - 460 E. Harbor Blvd [Chargepoint L2]
Malibu - 23555 Civic Center Way [Clipper Creek L2]
Los Angeles – Church and State Restaurant, 676 Mateo [Blink DC]
Cypress - 6400 Katella Ave [Eaton DC]
Newport Beach - 1151 Newport Center Dr [Chargepoint L2]
Laguna Beach - 547 Forrest Ave [Chargepoint L2]
----- San Diego -----