As recently as early 2010, a billboard campaign was turned down by the managing authorities of a local outdoor advertising company.

He ran the billboard campaign asking voters if they knew him.

The company is planning its first national billboard campaign, using 20,000 signs.

Commentators speculated that a prominent billboard campaign may have contributed to this.

Eberhardt's billboard campaigns soon led to radio, television and film roles.

To that extent, Oregon's two-year billboard campaign may have tapped into a vein.

It's like a billboard campaign for the blind.

Mr. Nelsen's billboard campaign is simply the latest version of this tradition.

A national billboard campaign has alerted Poles to the idea that brutality is more than just a family spat.

February 2010 saw the launch of a billboard campaign across Merseyside.