New York Laws
Article 44 - Traffic-Control Devices
1680 - Department of Transportation to Maintain a Manual of Uniform Traffic-Control Devices.

(b) No provision of this chapter shall be deemed to require that such
manual contain authority for the future installation of any specific
kind or type of traffic-control device or combination of traffic-control
devices which in the judgment of the department of transportation does
not conform to such nationally accepted standards.
(c) No state or local authority shall hereafter fabricate or purchase
any traffic-control device that does not conform to the current manual
and specifications as amended from time to time. No state or local
authority shall hereafter install any traffic-control device that does
not conform to the current manual and specifications as amended from
time to time, except that devices that are on order or on hand and
serviceable or operable may be installed and used until the phase-in
compliance date specified in the MUTCD. No state or local authority
shall continue to use any traffic-control device that does not conform
to the current manual and specifications as amended from time to time
beyond the phase-in compliance date specified in the MUTCD, except that
a city having a population in excess of one million shall conform to the
state manual and specifications only insofar as such local authority in
its discretion deems practicable.
(d) No person, firm, association or corporation shall sell, lease, or
offer for sale or hire for use in this state any traffic control device
that does not conform to the current manual and specifications as
amended from time to time, or unless a certificate of approval has been
issued by the commissioner of transportation pursuant to the provisions
of section five hundred ninety-nine-b of the general business law. The
provisions of this subdivision shall not apply to the sale, lease or
offer for sale or hire to a city having a population in excess of one
million.

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