N.Y. HAY Law § 206

§ 206. Highways in lands acquired by the United States for\nfortification purposes deemed abandoned. When land sought to be acquired\nby the United States of America for the purpose of fortifications\nincludes a highway or portion thereof, the condemnation proceedings may\ninclude such highways or portion thereof, and the people of the state of\nNew York, any municipality, county or other party claiming an interest\ntherein may be made a party defendant in such proceeding, and the\ninterest of the state, county, municipality or other claimant be\ndetermined, and the award made therefor. Forthwith upon the acquisition\nby the United States of America of land which includes a highway or\nportion thereof, there shall be filed in the office of the town clerk of\nthe town, and also in the office of the county clerk of the county, in\nwhich such land is located, certified copies of the record or transfer\nto the United States of such land, together with a map of such land, on\nwhich map such highway or portion thereof shall be indicated by metes\nand bounds, and thereupon such highway or portion thereof shall be\ndeemed discontinued and abandoned for highway purposes, and if\nproceedings have been taken, pursuant to this chapter for the\nimprovement of such highway by state aid, all such proceedings, together\nwith any appropriation made for the improvement of such highway or\nportion thereof, as indicated on such map, shall be deemed revoked,\nvacated and set aside.\n