FWIW - I don't know the distance involved but on my RV with stop and go traffic and slow speeds it might cost more for the additional fuel than for the tolls. Also I'm old enough to where I tend to consider any additional intersection as a potential accident waiting to happen.
Bob, Sandi & Marmaduke the Big Pug and Tasha a Frenchie and Tiki a Skipperkey
SW OREGON 2004 Dolphin
If towing: a 2006 Mini Cooper or 2015 RAM Limited 4X4 or a 86 El Camino on a trailer