1,700 across England are showing stats, including Kingston, Richmond and Wimbledon.
Data also shows how often trains are cancelled and delayed.
Transport Secretary Heidi Alexander says the policy heralds “a new era of accountability”.
Digital screens at major stations are displaying the statistics, while the information for smaller stations is available to view online by scanning QR codes.
The screens also provide information on work operators and Network Rail are doing in their area to improve performance.