SPRINGFIELD, Ill. (AP) — You’re standing in the middle of an empty highway, staring off into the fading, golden light of Arizona’s high desert. The soundtrack playing in your mind? Depeche Mode.

Industrial-leaning synth-pop strains might seem incongruous with such a vista, but it was the alternative rock band’s homage to Route 66 that seduced David J. Schwartz. With camera in hand he has made 42 trips over two decades along the celebrated highway, qualifying himself for the job of creating postage stamps commemorating the Mother Road’s centennial.

The U.S.…