N.Y. Highway Law Section 42-A
Establishment of temporary detours when state highways are being maintained or repaired

Notwithstanding the provisions of § 104 (Closing highways)section one hundred four of this chapter, whenever in the maintenance or repair of a state highway, it is determined by the commissioner that it is necessary to provide for a temporary detour over alternate roads, streets, highways or routes, the commissioner shall have the power and authority to establish such temporary detour over alternate roads, streets, highways or routes as he deems necessary and proper for the protection of the traveling public with the posting of conspicuous signs, or use of flagmen, or a combination thereof, indicating such temporary detour. Such temporary detour shall be adequate to prevent unreasonable delay in the movement of traffic on said state highway. As used herein “temporary detour” shall be a detour of an anticipated duration not to exceed two weeks.

Source: Section 42-A — Establishment of temporary detours when state highways are being maintained or repaired, https://www.­nysenate.­gov/legislation/laws/HAY/42-A (updated Sep. 22, 2014; accessed Oct. 18, 2025).

29
Property for highways, bridges and other highway uses and purposes to be acquired by acquisition 30
Acquisition by the state of property required for the construction and reconstruction of state highways and structures thereon 31
Exchange of reservation lands of the Seneca Nation of Indians 38
Contracts for construction or improvement of highways 39
Patented material or articles 40
Authority of commissioner of transportation with respect to the performance of contracts for construction, reconstruction or improvement ... 41
Maintenance of highways after preliminary work pending permanent paving 42
Maintenance of detours during construction 42–A
Establishment of temporary detours when state highways are being maintained or repaired 43
Intersections, grading and paving on county roads and town highways at intersection with and during construction or reconstruction of sta... 44
Acceptance of state highways when completed 45
Entry upon adjacent lands and streams 46
State highways in villages 47
Connecting highways in villages 48
State highways of additional width and increased cost at expense of town 49
Improvement of state highways at expense of county or at the joint expense of such county and any city, village or town 50
Petition for improvement of highway where a street surface railroad is laid 51
Repair of highways at railroad crossings 52
Permits for work within the state highway right of way 53
Highways and bridges on Indian reservations 53–A
Highways on Indian reservations 54
Sidewalks along improved state highways 54–A
Reestablishment of approaches to private lands 55
Emergency aid for control of snow and ice in municipalities 56
State to maintain roads improved by state appropriations under special laws 57
Maintenance by state of canal bridge approaches 58
Liability of state for damages 59
Additional width, different type of construction or other additional work under repair or reconstruction contracts 60
Sprinkling 61
Payment by counties of a portion of the cost of construction under repair contracts 62
Improvement of alignment and of dangerous conditions on repair work 63
Discontinuance of part of highway due to grade crossing elimination 64
Maintenance by state of certain improved roads and highways 65
Lands may be sold or leased 66
Replacement water sources
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Verified:
Oct. 18, 2025

Last modified:
Sep. 22, 2014

§ 42-A. Establishment of temporary detours when state highways are being maintained or repaired's source at nysenate​.gov

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