The bypass is part of the $2.1 billion dollar Red and Purple Modernization Project. It replaces the old Clark junction that was built in 1907 to connect the Brown, Red and Purple lines.

Work will begin in the fall to reconstruct and modernize the CTA Red and Purple Lines, including more accessible stations and a rail bypass on Chicago's North Side.

The CTA Red-Purple Bypass is visibly missing chunks of concrete just months after opening, which the city said is caused by spalling but is safe.

The bypass project is part of the $1.7 billion first phase of a planned modernization of the Red and Purple Lines, including complete rebuilds of five North Side "L" stations; and renovations to ...

A timeline is set for the $2.1 billion Red and Purple line modernization, which was first announced in 2014, and the first phase of construction will begin this fall in Lakeview.. The project will ...

Women are at higher risk of death when undergoing heart bypass surgery than men. ... to a large extent, by intraoperative anemia - the loss of red blood cells during surgery.