New York Codes, Rules and Regulations
Title 17 - DEPARTMENT OF TRANSPORTATION
Chapter V - New York State Supplement To The National Manual On Uniform Traffic Control Devices For Streets And Highways-2009 Edition
Part 8 - Traffic Control For Railroad And Light Rail Transit Grade Crossings
Chapter 8C - Flashing-light Signals, Gates, And Traffic Control Signals
Section 8C.08 - Rail Traffic Detection

INSERT the following paragraphs:

Standard:

03A When automatic flashing-light signals are installed, the length of time the flashing-light signals shall operate before arrival of any rail traffic at the grade crossing shall be a function of the minimum track clearance distance as follows: Where the minimum track clearance distance is 35 feet or less, the flashing-light signals shall operate for at least 20 seconds before the arrival of rail traffic at the crossing. Where the minimum track clearance distance is more than 35 feet, the flashing-light signal shall operate for at least 13 seconds plus one second for each 5 feet of clearance distance before the arrival of rail traffic at the crossing.

03B When automatic gates are installed, the length of time the flashing-light signals and gate arm lights shall operate before arrival of any rail traffic at the grade crossing shall be a function of the minimum track clearance distance as follows: Where the minimum track clearance distance is 35 feet or less, the flashing-light signals shall operate for at least 27 seconds before the arrival of rail traffic at the crossing. Where the minimum track clearance distance is more than 35 feet, the flashing-light signal shall operate for at least 20 seconds plus one second for each 5 feet of clearance distance before the arrival of rail traffic at the crossing.