Portrait Billboard along Port Harcourt expressway, Port Harcourt, Rivers State, Nigeria • This Portrait billboard is strategically located along Port Harcourt expressway. The uniqueness of this billboard stems from its location along decision makers route, making it one of the best sites for advertisers to reach a corporate audience with good purchasing power. With a High vehicular Movement, Passage of corporate workers and key decision-makers Up to 2,000,000 views per day (estimated).