RSA 230:12: Acquisition of Interests in Land.

When the construction or alteration of any state highway requires the taking of land or rights therein in which a public utility has a property interest by agreement with the public utility owning such interest, the department of transportation may acquire by layout under the layout statute applicable to the highway in question or by purchase and subject to the approval of the governor and council convey to said public utility, in mitigation of such damages as said public utility may be entitled to on account of the taking of its property interest, such land or rights in land as may be necessary to provide a substitute property interest.