We had two options for driving from Durango to Mazatlan.  The first was the old highway, part of which is known as La Espina del Diablo (the Devil’s Backbone), described as a treacherous road that snakes through mountains known for their marijuana fields and opium production, and which would take about 7 hours, if all went well.  The second, a fairly new highway, costing about 35 CAD in tolls, with 115 bridges and 61 tunnels and a driving time of about 3 hours.  We love adventure, but treacherous, not so much, so we opted for the toll highway.

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