I The tolls on the last stretch of road between El Catey and Coson are ridiculous. This road was supposed to support tourism and but as often happens in the DR it's construction padded the pockets of politicians.
You can always take the old road - past Sanchez then up & over
And that road has been improved, great fun on a motersickel...You can always take the old road - past Sanchez then up & over