If we were going spend a cool billion to improve the Blue Line, I'd spend it on anything but making the airport experience better. Make the stations ADA-complia

If we were going spend a cool billion to improve the Blue Line, I'd spend it on anything but making the airport experience better. Make the stations ADA-compliant. Use the extra space on the Congress branch for triple- or quadruple- tracking. Upgrade the power system. But again, this is $1B not coming out of the CTA budget, it's $1B Elon Musk has burning a hole in his pocket.