Answer:

RAIL

Answer	Crossword Clue
RAIL	Fencing unit
RAIL	Shipping choice
RAIL	Symbol of thinness

RAIL	Third .. (power source)
RAIL	Balustrade
RAIL	Banister
RAIL	Marsh bird
RAIL	It's on the inside track
RAIL	The third one might shock you
RAIL	Complain, complain, complain
RAIL	Rant

RAIL	Wooden bar
RAIL	Rant and rave
RAIL	Vituperate
RAIL	A way to go
RAIL	Balustrade part
RAIL	Fence-sitter's prop
RAIL	Get a grip on it
RAIL	Aviophobe's alternative

RAIL	Escalator part
RAIL	Plummet preventer
RAIL	Exemplar of thinness
RAIL	Fulminate
RAIL	Train travel
RAIL	Train track
RAIL	Racetrack fence
RAIL	Balcony encloser

RAIL	Balcony feature
RAIL	Fulminate (against)
RAIL	Chair ... (wall molding)
RAIL	Commuting option
RAIL	Inveigh (against)
RAIL	Part of a track
RAIL	Racetrack boundary
RAIL	Staircase safety feature

RAIL	Travel option
RAIL	Air alternative
RAIL	Bus or air alternative
RAIL	Train wheel guide
RAIL	Carp

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.