I used to live in Chicago, and they managed this by putting a concrete pad at the bus stops that were high-frequency enough to get the grooves. The concrete pa

I used to live in Chicago, and they managed this by putting a concrete pad at the bus stops that were high-frequency enough to get the grooves. The concrete pads are not bus-sized! They are only placed where the bus wheels are when the bus comes to a stop, with a little bit of a buffer since the bus doesn't stop in exactly the same place every time.