Maryland Code, Public Utilities § 27-103

(a) Sections 27-101 and 27-102 of this title do not limit the Commission's authority to enter into contracts or agreements with a unit of federal, State, county, or municipal government or with the District of Columbia concerning the matters described in §§ 27-101 and 27-102 of this title, if the agreement or contract is necessary, advisable, or expedient in connection with the construction, maintenance, and operation of the Commission's water and sewer systems.

(b) Sections 27-101 and 27-102 of this title do not impair the rights of the State Highway Administration concerning Commission or utility use of a State highway, including a road that is constructed in whole or in part with federal funds.