June or Jean, please check McCarroll
Physician; Inventor
Personal Information
Nationality: USA
Professional Life
Field of Study: Physician; Inventor
Awards & Achievements
Achievements: 1917 after being run off the road by an approaching truck, she invented the concept of the center line as a separator for vehicles driving in opposite directions; by 1924 California was the 1st State to adopt the concept & have mandated center lines
took it upon herself to paint the 1st centerline on Indio Boulevard