0 Subtly Asked: March 17, 2020In: Localisation and Maps How is ROI for a traffic sign or traffic lights defined and stored in the HD Map ? 0 How all other objects, road elements etc are described and stored in the HD Maps? Share Facebook Leave an answerLeave an answerCancel reply Featured image Select file Browse Click on image to update the captcha. Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.