Michigan International Speedway reinforced with Community
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Today, MIS seats more than 119,500 and is still one of the nation's premier racing venues, thanks in no small part to an ongoing programme of improvements and upgrades over the years. Most recently, the track's original sound system was completely revamped, its 1960s-vintage horns replaced with more than 200 Community R-Series weather-resistant loudspeakers.
The project was overseen by consultant Jack McCallum of Wrightson, Johnson, Haddon & Williams (WJHW), with installation performed by Lansing-based