Answer: gasmain

AnswerCrossword Clue
GASMAIN

City duct

GASMAIN

Utility pipe

GASMAIN

Fuel pipeline

GASMAIN
Utility pipeline
GASMAIN
Major pipeline
GASMAINBig utility pipe
GASMAINFuel conduit
GASMAINObstacle in road repairs, maybe
GASMAINIts rupture can be catastrophic
GASMAINMajor utility pipeline
GASMAINFuel line
GASMAINLine to a pilot?
GASMAINPart of an underground network