Marketers use the billboards in Pennsylvania to make a statement about their product or service. Pennsylvania (PA) Billboard Advertising Data.For a new sign, applicant is required to meet with a PENNDOT representative at the proposed sign location to review the location and application. The Outdoor Advertising Association of Pennsylvania is dedicated to helping our members produce effective out of home advertising in a variety of mediums. Complete one application for each sign structure; one permit number will be issued for each sign structure. Sign and date the CERTIFICATION. Fill out the form below to place your classified ad: You will get a price quote before submitting. To place a Classified Line Ad, please fill out the form below. This "cheat sheet" will focus on the most common requirements for local governments, and specifically will address two key statutes. Include Philadelphia out of home advertising in your advertising mix today!