Second Avenue Subway Draft Environmental Impact Statement, "Glossary" (PDF). (45.6 KB) "3.3.3 A, C (Fulton Street) Line Services and Structural Issues" (PDF). nyc.gov.
2016년 3월 13일에 확인함.  Second Avenue Subway Draft Environmental Impact Statement, “Glossary” (PDF).  (45.6 KB) “3.3.3 A, C (Fulton Street) Line Services and Structural Issues” (PDF). 《nyc.gov》.