Se você conhece sua rota, pode usar o CostofTolls.com CostToDrive.com Tollsmart.com (paywall, mínimo de US $ 2):
Amostra:
CALIFORNIA
17-Mile Drive Toll: $9.25 Location: Scenic drive through Pebble Beach, CA Operator: Pebble Beach Corporation
Golden Gate Bridge Toll: $6.00 (Southbound ONLY) Location: Spans San Francisco Bay connecting San Francisco to Marin County, CA Operator: Golden Gate Bridge, Highway & Transportation District
Riverside Freeway (SR-91) Toll: Variable Location: An east-west freeway in Southern California linking Orange and Riverside counties Operator: Orange County Transportation Authority (OCTA)
Eastern Transportation Corridor Toll: $3.50 (East Branch) $3.25 (West Branch) Location: Orange County, CA Operator: Foothill/Eastern Transportation Corridor Agency
South Bay Expressway Toll: Variable Location: Beginning at Otay Mesa, provides access to/from Mexico and across San Diego Operator: South Bay Expressway, L.P.
The Antioch Bridge Toll: $5.00 (Northbound ONLY) Location: Spans the San Joaquin River linking Antioch, CA with Sacramento County, CA Operator: Bay Area Toll Authority Metropolitan Transportation Commission
The Benicia-Martinez Bridge Toll: $5.00 (Northbound ONLY) Location: Spans the Carquinez Strait linking Benicia, CA to Martinez, CA Operator: Bay Area Toll Authority Metropolitan Transportation Commission
você tem a ideia.