Indianapolis Motor Speedway Picture Shows 108 Year-long Repavement

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Maintenance done on the Indianapolis Motor Speedway, last week, revealed century-old core samples and a quick glimpse of the famous race track. 
Home to the Indianapolis 500, Brickyard 400 and former United States Grand Prix, the course has been repaved eight times in the last 108 years.
In a very detailed image of the 18-inch-sample from the exit of Turn 3 posted on day, Speedway president J.

Douglas Boles offered a historical guide behind each layer.
Home to the Indianapolis 500, Brickyard 400 and former US Grand Prix, the Indianapolis Motor Speedway has been repaved eight times in the last 108 years
In a very detailed image of the 18-inch-sample from the exit of Turn 3 posted on Halloween day, Speedway president J.

Douglas Boles shows the history
In the Fall of 1909, two inches of sand were placed on the already existing pavement comprised of creek gravel, crushed limestone topped by an application of taroid, crushed stone chips and a heavier coating of taroid. 
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3.2 million street paving bricks would be added to the track, later that year, and they would be fixed by a mixture of sand and Portland cement. 
Next renovations wouldn't take place for almost 50 years, when a balance of brick was covered with asphalt which left only a three-foot strip at the start/finish line still of bricks. 
In the Fall of 1909, two inches of sand were placed on the already existing pavement comprised of creek gravel, crushed limestone topped by an application of taroid, crushed stone chips and a coating of taroid
A race at the track in 1923.

Following the first renovations, 3.2 million street paving bricks would be added to the track later that year
Indy Cars are shown on the brick racing surface of the Indianapolis Motor Speedway during the pace lap for the Indianapolis 500 in 1937.

A mixture of sand and Portland cement was used to keep the track in place back in 1909
The first complete resurfacing since 1909 occurred in 1976, when the entire 2.5-mile oval was resurfaced with asphalt.
It would be resurfaced again in the Summer of 1988 followed again in the Fall of 1995. 
The latter of which, however, also included the removal of five inches from the surface, marking the first time that not all pre-existing surface existed on the track. 
The track in 1952, nine years before a balance of brick was covered with asphalt pavers yonkers ny - www.Topgoogle.com - which left only a three-foot strip at the start/finish line still of bricks
 : General view as cars race around the track during the Indianapolis 500 in 1955
In 2002, the entire surface underwent diamond grinding which made the course smoother. 
And the last renovations came in 2004, when the course was resurfaced yet again following the removal of two-and-a-half inches of asphalt from the surface. 
The aim of the maintenance work was to smooth out some holes that drivers reported on. 
The first complete resurfacing since 1909 occurred in 1976, when the entire 2.5-mile oval was resurfaced with asphalt.

This photo was taken a year later
The last renovations came in 2004, when the course was resurfaced yet again following the removal of two-and-a-half inches of asphalt from the surface. Tony Stewart, driver of the #20 Home Depot Chevrolet, and crew members kiss the bricks after winning the NASCAR Nextel Cup Series in 2007
Engineers were able to determine whether water or other factors were causing the lower levels of the track to become unstable. 
They found that one particular spot had a missing row of bricks causing the above layers to expand and buckle.
According to Boles, the track will be examined and decisions will be made on whether new resurfacing needs to take place in the next two to five years. 
The aim of the maintenance work was to smooth out some holes that drivers reported on
Engineers were able to determine whether water or other factors were causing the lower levels of the track to become unstable