This is no throwback post. It's just a link to the City and County of Honolulu's wonderful Traffic Camera site.
C&C Honolulu Traffic Camera Site
This particular page refers you to the Waikiki/Mo'ili'ili/Manoa areas, but you can access other neighborhoods easily. You can look for camera views by district, or with six camera views on one page, like the one I posted above. This won't stop traffic from clogging our roads, but it can reduce your stress by knowing what areas to avoid. Definitely reduces my stress.