Partial Plaque Inscription: An encounter with a large truck on a narrow road in 1917 resulted in her Model T abandoning the road for a sandy ditch. This led Dr. June to the idea that a white stripe painted in the center of the road would make automobile travel safer. She personally painted the first known stripe in California on Indio Boulevard, then part of highway 99, during 1917. A letter writing campaign initiated by the Indio Women's Club eventually led to adoption of the practice by the California Highway Commission in 1924.    

Location:  Plaque is just west of the southwest corner of Highway 86 and Flower in Indio.  The Dr. June McCarroll Memorial Freeway is I-10, near Indio in Riverside County between the Jefferson Street and Indio Boulevard interchange and the junction with Route 86.

GPS Coordinates for plaque:  33º43.260 N - 116º13.040 W 

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