The Mayor of the District of Columbia is responsible for the maintenance and improvement of those portions of the following streets which are situated between the curblines of those streets: Constitution Avenue from Second Street Northeast to Third Street Northwest, First Street from D Street Northeast to D Street Southeast, D Street from First Street Southeast to Washington Avenue Southwest, and First Street from the north side of Louisiana Avenue to the intersection of C Street and Washington Avenue Southwest, Pennsylvania Avenue Northwest from First Street Northwest to Third Street Northwest, Maryland Avenue Southwest from First Street Southwest to Third Street Southwest, Second Street Northeast from F Street Northeast to C Street Southeast; C Street Southeast from Second Street Southeast to First Street Southeast; that portion of Maryland Avenue Northeast from Second Street Northeast to First Street Northeast; that portion of New Jersey Avenue Northwest from D Street Northwest to Louisiana Avenue; that portion of Second Street Southwest from the north curb of D Street to the south curb of Virginia Avenue Southwest; that portion of Virginia Avenue Southwest from the east curb of Second Street Southwest to the west curb of Third Street Southwest; that portion of Third Street Southwest from the south curb of Virginia Avenue Southwest to the north curb of D Street Southwest; that portion of D Street Southwest from the west curb of Third Street Southwest to the east curb of Second Street Southwest; that portion of Washington Avenue Southwest, including sidewalks and traffic islands, from the south curb of Independence Avenue Southwest to the west curb of South Capitol Street.

The Mayor may enter any part of the Grounds to repair or maintain or, subject to the approval of the Architect, construct or alter, any utility service of the District of Columbia Government.

the National Garden of the United States Botanic Garden;

all grounds contiguous to the Administrative Building of the United States Botanic Garden, including Bartholdi Park; and

all grounds bounded by the curblines of First Street, Southwest on the east; Washington Avenue, Southwest to its intersection with Independence Avenue, and Independence Avenue from such intersection to its intersection with Third Street, Southwest on the south; Third Street, Southwest on the west; and Maryland Avenue, Southwest on the north.