Hundreds of cyclists rode on Memorial Drive in Cambridge on Friday evening, briefly blocking normal traffic and calling for safety improvements in the wake of recent deaths.
Subscribe to WCVB on YouTube now for more: http://bit.ly/1e8lAMZ
Get more Boston news: http://www.wcvb.com
Like us: https://www.facebook.com/wcvb5
Follow us: https://twitter.com/WCVB
Instagram: https://www.instagram.com/wcvb5/