3way_junction.py is a simple Python program I have written to simulate a
3 way LED traffic light controlled road junction on the PiGlow.  The code is
fully commented and is ideal for educational purposes in schools for teaching
road safety and basic Python coding.  It is free of charge to use and modify.

Full details are on the new Raspberry Pi Page, including a YouTube video.

Please contact me if you would like any support or assistance in your school
(Doncaster and surrounding areas, UK) using the Raspberry Pi and PiGlow.