The Mesmerizing Machine That Makes Your Golden Gate Bridge Drive Less Terrifying

<p>Two years ago, a big steel and concrete median barrier went in on the Golden Gate Bridge, and two yellow machines appeared that move it several times a day. Bridge commuters have some questions.</p><p><br></p><p>Reported by Kelly O'Mara. Bay Curious is Olivia Allen-Price, Vinnee Tong, Paul Lancour, Julia McEvoy, Penny Nelson and Suzie Racho. Theme music by Pat Mesiti-Miller.</p><p><br></p><p>Ask us a question at BayCurious.org.</p><p><br></p><p>Follow Olivia Allen-Price on Twitter @oallenprice.</p>