Looking through an old Holiday Inns Directory from 1976, and I notice that all 15 in the Metro Detroit area have been booted from the Holiday Inns system.
31200 Industrial Highway, Romulus [[current status unknown)
11560 Harper Avenue [[now the Travel Inn)
26555 Telegraph Road, Southfield [[became "Holiday Resort" and closed)
32035 Van Dyke, Warren [[became a Quality Inn, then a Rodeway) currently awaiting "redevelopment"
1331 Trumbull [[now The Corktown Hotel)
10900 W. Eight Mile Road [[now Royal Inn)
20777 Eureka Road, Taylor [[became a Ramada, current status unknown)
22900 Michigan, Dearborn [[demolished, site of a strip mall)
30375 Plymouth Road, Livonia [[now a Quality Inn)
1801 S. Telegraph, Bloomfield Hills [[demolished, site of a Lowe's outlet)
38123 W. 10 Mile Road, Farmington [[demolished, site of Suburban Chrysler)
1 N. River Road, Mount Clemens [[now Victory Inn)
1 West 9 Mile Road, Hazel Park [[demolished, now a strip mall)
2537 Rochester Court, Troy [[now a Quality Inn)
44 Gerald, Highland Park [[demolished)