The Western Region Toll Operators (WRTO) includes the following agencies:

Voting Members

California

Alameda County Transportation Commission (ACTC)

Bay Area Toll Authority (BATA)

California Department of Transportation (Caltrans) (non-tolling)

Golden Gate Bridge, Highway and Transportation District (GGB)

Los Angeles County Metropolitan Transportation Authority (LA Metro)

Orange County Transportation Authority (OCTA)

Riverside County Transportation Commission (RCTC)

San Diego Association of Governments (SANDAG)

San Bernardino County Transportation Authority (SBCTA) (non-tolling)

San Francisco County Transportation Authority (SFCTA) (non-tolling)

Santa Clara Valley Transportation Authority (VTA)

Transportation Corridor Agencies (TCA)

Oregon

Oregon DOT (ODOT) (non-tolling)

Port of Cascade Locks (POCL)

Port of Hood River (POHR)

Utah

Utah DOT (UDOT)

Washington

Washington State DOT (WSDOT)

Non-Voting Members

Alaska DOT & Public Facilities (DOT&PF)

Arizona DOT (ADOT)

Hawaii DOT (HIDOT)

Idaho Transportation Department (IDT)

Montana DOT (MTDOT)

Nevada DOT (NDOT)

Liaison Agencies

E-470 Highway Authority (E-470)