|Thursday, May 9, 2013||43D||Driving surface||Patrick Merrell|
|Saturday, November 15, 2003||18A||Early 19th-century invention named after a Scottish engineer||Patrick Berry|
|Sunday, October 20, 2002||1D||Paving material||Harvey Estes and Nancy Salomon|
3 results for MACADAM from older pre-Shortz puzzles.
|Monday, June 29, 1992||50A||Road-surface material||Fred Toole||Maleska|
|Sunday, June 1, 1986||35D||Type of roadway||Charles M. Deber||Maleska|
|Wednesday, August 15, 1984||57A||Type of road||Dale O. Burgener||Maleska|