According to Thepointsguy.com tolls do count. I'm also fairly certain I read about them here before, but I have no first hand experience. 

That site says you will get 2x points on...

"Airlines
Auto/truck/RV rental
Limos and taxis
Lodging
Travel agencies
Railways
Tolls and bridges
Parking (lots, meters, garages)
Bus
Time shares"

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