Driving directions from Phoenix, AZ to Beautiful San Carlos, Sonora Mexico.
Tolls
(1) Mariposa border crossing reduces 30mins travel, as opposed to crossing through Nogales downtown, but there is a Toll $56 pesos, about $3 USD; they accept US and MX cash.
(2) Magdalena Toll, highway to avoid going through town, $38 pesos (only Mexican pesos accepted; about $2 USD)
(3) Hermosillo Toll, $108 pesos, about $6 USD, Mexican cash debit card accepted
(4) 10D Hermosillo-Guaymas Libramiento, to skip Hermosillo city traffic, merges back into 15 highway; $156 pesos, about $8 USD.
