Next week, crews will start cordoning off traffic on West St. Paul Avenue in downtown Milwaukee so construction of the streetcar system can officially begin.

The pre-prep work for the streetcar system is underway, with crews welding segments of rail together into track sections up to 320 feet long. Milwaukee Mayor Tom Barrett visited a welding site on North Milwaukee Street on Friday along with students from Lynde and Harry Bradley Technology and Trade High School. See the attached slideshow for…