Planning an 8 to 9 day trip (travel included) to GCNP and need input on route. Thinking of going I-5 to Stockton, CA and take Hwy 4 over to Hwy 99. Hwy 99 to Bakersfield, CA and take Hwy 58 to Barstow, CA Hwy 40. Hwy 40 into AZ to Williams, AZ and...