SANDAG Rideshare Week 2022 SANDAG Rideshare Week is October 3-9! Pledge to Rideshare for Clean Air and try out new, sustainable transportation options. To participate: Complete the pledge form by 5 p.m. on Sunday, October 9 Rideshare for Clean Air by choosing to carpool, vanpool, bike, walk, or ride transit during Rideshare Week Share a photo while ridesharing between October 3-9 and tag #RideshareSD on Instagram, Facebook, or Twitter to be entered for the chance to win a prize Incorporate one small change that has a big impact on improving air quality in the San Diego region Learn more about Rideshare Week and pledge here.