15D from Empalme to 60-70km north of Obregon is good
Rough breaks to Vicom, lots of single lane detours
About 5km further south is new concrete highway
The route south thru Obregon is disgraceful, even for Mexico. They should fire all the Polictcos and start over.
Obregon to Navajoa is OK
Taquila:
Go slow south thru villages south of Hautabampo. Many topes.
I hit a "shade tope and almost lost it!
Make sure your group has surge protectors for El Mirador. Water pressure is low. We are running off out tank
Colin