HI SB1667

Requires state highways that bisect communities with residential and commercial areas to follow National Association of City Transportation Officials (NACTO) standards for lower-speed design, while highways in non-community areas follow American Association of State Highway and Transportation Officials (AASHTO) standards

Directs the State Highway Safety and Modernization Council to identify the 100 most dangerous intersections using crash data since January 1, 2014, examine dangerous vehicle classes, and develop emergency egress route proposals prioritizing low-income communities including the Waianae coast of Oahu

Authorizes installation of up to 10 additional photo red light imaging detector systems annually at intersections selected by the council, with pedestrians receiving at least 4-second lead time before vehicles proceed; citations cannot be issued before July 1, 2027

Establishes Safe Routes to School Advisory Committee authority to identify 10 most dangerous school zones annually for potential automated speed enforcement systems, positioned within 200 feet of school property; citations cannot be issued before July 1, 2027

Creates a fine of up to $500 for vehicles blocking marked crosswalks and appropriates unspecified funds for traffic safety training, department of transportation implementation, and judiciary information system updates; effective July 1, 3000