to gain traction. That led to sandblasting of the circuit to remove the PJ1. The result was the FIA was forced to cancel championship status of the European Drag Racing Championship round at Hockenheimring as professional categories were having issues with the cleaned circuit, even after it was reprepped. At the 2019 German Grand Prix, rain during the race led to numerous incidents when drivers slipped and crashed after running into the slick, PJ1-treated part of Hockenheim. The following tracks used or are still using PJ1: Bristol Motor Speedway (2016) Charlotte Motor Speedway (2017) New Hampshire Motor Speedway (2017) Michigan Speedway (2019) Texas Motor Speedway (2019) Pocono Raceway (2019) Phoenix Raceway (2021) References External links Manufacturer's website Drag racing Adhesives