BART has reached a milestone in its efforts to bring riders a quieter ride. Now more than half of BART’s train cars have been outfitted with an advanced wheel profile that reduces both noise and wear on the rail. On the latest edition of our podcast series “Hidden Tracks: Stories from BART” we’re focusing on the science of screech. The new wheel profile has been years in the making. One of our managing engineers talks in-depth about how the design was developed and what’s next for BART’s plan to bring a quieter ride to our passengers.Read the transcript: https://www.bart.gov/news/articles/2018/news20180606