A teenage girl charged with pushing a man from a CTA train to his death was ordered held in custody on Saturday.
With the Austin station now upgraded, the CTA says 75% of its system is fully accessible, with a goal of reaching full accessibility by 2038.
O'Neill Burke said the signs are intended to send a message to potential offenders.
Coming off two busy weekends for the CTA, Chicago leaders say crime is falling on public transportation.
A surge in Cook County Sheriff's Police patrols on Chicago Transit Authority trains is producing hundreds of arrests and citations, and Sheriff Tom Dart says a dedicated transit police force may ultimately be necessary to sustain long‑term safety improvements.
The work of scientists along portions of a long idle rail line is hoped to be the start of a project that connects Chicagoans through Bronzeville and to the city's history.