Google partnered with the MTA on a pilot program that involved using sounds recorded on smartphones attached to trains to ...

Between September 2024 and January 2025, six Google Pixel smartphones with “standard, off-the-shelf plastic cases” were installed on four R46 subway cars — better known as the cars with the ...

off-the-shelf plastic cases” were installed on four R46 subway cars — better known as the cars with the orange and yellow seats. The smartphones collected 335 million sensor readings ...