Crews finished replacing the analog surveillance cameras along the CTA's Blue and Red lines with digital and high-definition models this week, and officials say they're already making it easier to solve crimes.
Around 1,000 HD security cameras now keeping watch on Red, Blue lines. See story here. https://wgntv.com/2019/04/04/around-1000-hd-security-cameras-now-keeping-watch-on-red-blue-lines/