PennDOT will be accepting applications for the 2018 Automated Red Light Enforcement (ARLE) Funding Program from June 1st through July 6th.
Pa Bulletin Announcement:
https://www.pabulletin.com/secure/data/vol48/48-21/836.html
ARLE Funding Program information:
http://www.dot.state.pa.us/Portal%20Information/Traffic%20Signal%20Portal/FUNDARLE.html