Answer:

manholes

Answer	Crossword Clue
MANHOLES	Accesses to the underground
MANHOLES	Street entrances
MANHOLES	Ways to get under the street

MANHOLES	Drain accesses
MANHOLES	Sewer entries
MANHOLES	Entrances for Ed Norton
MANHOLES	Ground-level openings
MANHOLES	Sewer system entry points
MANHOLES	What Ed Norton uncovered
MANHOLES	They may be uncovered on a street
MANHOLES	Main entrances?