concrete between the rails

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concrete between the rails

Wet concrete is poured on top of the ballast to form a flat street surface between the rails.­

View more photos of railroad workers replacing a Muni lightrail track section on Church street in San Francisco.

cement
high-visibility jacket
high-visibility vest
light rail
men
muni
night
NTK
railroad construction
railroad tracks
rails
railway tracks
reflective jacket
reflective vest
safety helmet
safety vest
san francisco municipal railway
track maintenance
track work
wet concrete
workers
January 29, 2012
2077 Market St, San Francisco, CA 94114, USA