Anatomy of a rail car: Deconstructing the CTA's hot new thing

By Tracy Swartz | RedEye The new CTA rail cars by most accounts provide a smoother ride than the current cars, but they've had their share of bumps. The 10 prototype 5000-series cars, which began testing last year and finished first-round testing on each line last month, have some riders... By Tracy Swartz I RedEye