Generally negative. The COT handles poorly in traffic and its advertised savings of costs for race teams have not happened. The car's design is beginning to change with the pending abandonment of a wing in favor of a blade spoiler.
Actually there 420 doobies
Indy is called the Brickyard because the track was first layered with bricks but over the years they removed all but a three to four brick wide strip and the rest is asphalt
It informs a driver that a faster car or cars are approaching and the driver should allow those cars to pass.