(dSPACE, MI-63-71) in Wixom, Oakland County, MI. Pontiac Trl W. 0.4 miles from jct with Wixom Rd. to the bldg on the S. side of the road at 50131. (N42 31.417 W83 32.613) Photo by Mark Comstock & Kim Flanery 4-3-22.