• American Public Transportation Association

• Delmarva Rail Passengers Association

• Eno Center for Transportation

• New Jersey Association of Railroad Passengers

• Rail Passengers Association

• Surface Transportation Policy Partnership

• Transit Center

• Transit for all PA

• Transit Forward Philadelphia

• Save the Train

• 5th Square

• Transportation for America

• Tri-State Transportation Campaign

• Western Pennsylvanians for Passenger Rail

• Yes to Glassboro-Camden Line

​