(en) Nigel P. Freestone, 365 Days of Motoring: An Everyday Journey Through its History, Facts and Trivia, Summersdale Publishers Limited, (ISBN978-1-78372-255-6, lire en ligne), p. 172
(en) Let's Talk it Over-- Interagency Cooperation Facilitates Success : A Case Study : the New York, New Jersey, Connecticut Metropolitan Area TRANSMIT Operational Test : Ensuring Integration of Intelligent Transportation Systems Products and Services, Intelligent Transportation Systems, U.S. Department of Transportation, , 7 p. (lire en ligne), p. 5
(en) Williamsville Toll Barrier Improvement Project, New York State Thruway, Interstate 90 Between Interchanges 48A and 50: Environmental Impact Statement, (lire en ligne), p. II-2
(en-US) Glenn Rifkin, « BUSINESS TECHNOLOGY; Electronic Toll-Taking Is Being Put to the Test », The New York Times, (ISSN0362-4331, lire en ligne, consulté le )
(en-US) Glenn Rifkin, « BUSINESS TECHNOLOGY; Electronic Toll-Taking Is Being Put to the Test », The New York Times, (ISSN0362-4331, lire en ligne, consulté le )