Public Service Announcements
A public service announcement (PSA) is a non-commercial advertisement broadcast on radio or television to achieve a public good, such as reduced obesity. PSAs are intended to modify public attitudes by raising awareness about specific issues. They commonly address public health and safety issues. A typical PSA is part of a public awareness campaign to inform or educate the public about an issue such as safe walking or driving behavior.
National Pedestrian Safety Campaign (Federal Highway Administration)
Did You Know? (Seattle)
Excel as a Pedestrian / We've Got Issues (Kirkland)