Then; Indianapolis was 2 1/2 miles of brick
Today; only 1yd of bricks remain
Then; Cars reached the breakneck speed of 90MPH
Today; Cars exceed 200MPH
Then; Drivers were in open cockpits
Today; Drivers are surrounded by a carbon/kevlar tub
Then; Drivers wore leather helmets and had no seatbelts
Today; Drivers wear state of the art helmets with a HANS device and five point harnesses
Then; Cars were built like bricks and transferred all crash energy to the driver
Today; Cars are built so they come apart and shed energy so energy transfer is minimized.
Then; Cars had metal fuel tank that spewed burning fuel on the driver and track
Today; Cars have puncture resistant bladders greatly reducing fire risk
Then; Drivers wore leather coats and cotton clothing.
Today; Drivers wear fire resistant Nomex suits.
Then; Drivers died in wrecks
Today; Drivers die in wrecks.