A memorial plaque to Dr. McCarroll may be found at the intersection of Indio Boulevard and Flower Street in Indio, California. On April 24, 2002, to honor her contribution to road safety, the State of California named the stretch of Interstate 10 near Indio east of the Indio Boulevard/Jefferson Street exit as "The Doctor June McCarroll Memorial Freeway." To find the plaque with a GPS system, the coordinates are 33º43.260 N, 116º13.040 W.