Preliminary improvement plans at Indianapolis Motor Speedway that include the addition of an apron to enhance competition in NASCAR events have been approved, the facility announced Tuesday.The Indiana Motorsports Commission approved plans by the speedway's parent company to invest state funds on infrastructure upgrades. The commission also approved the creation of a motorsports improvement district, a step toward issuing bonds that will fund the improvements.The plan does not include the installation of lights at the 2. ... More...