You can listen on ESPN 1240 (or online).
telemediaproductions.com has been providing live video coverage and commentary of the local game of the week each week this year. They showed the Waynesboro/Broadway game last week, and I would think that's their game of the week again this week. They usually start their coverage 10 minutes before kickoff, so it's worth a try to get on their website and see if it's on there. I didnt call them this week to find out which game their doing, so its possible that they are doing wilson/brunswick instead.