All Three New CTA Purple Line Viaducts -- as of Tuesday, June 19. 2012

Completed Greenleaf viaduct showing rail control lines attached to box at southeast corner

Underneath completed Greenleaf viaduct

Completed Greenleaf viaduct showing rail control lines attached to box at northwest corner

Completed Greenleaf viaduct showing rail control lines attached to box at southwest corner -- as a train passes over

Two "Goldhoffer" -- special multiwheeled dollys to carry an extremely heavy load in any direction (the wheels can turn 360 degrees) -- still in Jewel parking lot near Greenleaf

Dempster viaduct with two men on two lifts working on conduits for rail control lines

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