Article 3 - DETERMINATION OF NECESSITY FOR RAILROADS AND APPROVAL OF ROUTES

Section 20 - Board of transportation to determine necessity for railroads; routes; plan; consents; streets excepted
Section 21 - Approval and consent of board of estimate and the mayor
Section 21-A - Construction and equipment of a rapid transit railroad tunnel or tunnels
Section 21-B - Construction and equipment of a rapid transit railroad line
Section 22 - Detailed plans; sub-surface structures
Section 23 - Interference with tracks and sub-surface structures