If you ever wanted to know what a track repaving process looks like, take a look at these pictures of Kansas Speedway. Hint: it looks kind of like a highway repaving process, but just a tad more exact.
The track is currently in the midst of its repaving process, which will be complete before its second Sprint Cup race date on October 21. Kansas is adding progressive banking and a road course to the infield. The last two Sprint Cup Series races -- Pocono and Michigan -- have been run on tracks with brand new asphalt. The fall Kansas race will be the third "new" track on the schedule.
In Kansas' case, the new asphalt is being put down in four layers, with two layers already complete -- and the same asphalt is being used on both the road course and the banked portion of the oval.
During Kansas' spring race date, ISC director of engineering Martin Flugger compared the process of adding steeper progressive banking to the track as angling a table with the same pivot point. Because the outside walls aren't being moved out and the width of the track isn't changing, the new bottom groove of the track is considerably lower than the existing apron and previous bottom groove.
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