(Reader photo)Last Saturday the Westside Critical Mass ride was pulled over by Hillsboro Police Department officers. To learn more, I spoke with Washington County cycling advocate the Westside Critical Mass organizer Rob Lewis (watch a video of our conversation below). Photos from previous Westside Critical Mass ride. (Photos: Westside Critical Mass)Westside Critical Mass began this year and was on its fifth ride. Westside Critical Mass is about having a good time riding bikes.