Hand count: Used to count circulation when there is no official source of traffic counts available. TAB has developed factors for statistically reliable expansion of sample counts to fully daily exposure estimates.

Head on: An outdoor media structure built perpendicular to oncoming traffic.

High-spot bulletin: Large advertising structures located strategically which permit opportunities for very high audience levels of exposure.

Hightail display: Posters attached to the upper portion of rear end of buses. Copy area is 15 ‡î high X 63î wide.

Highway beautification: Federal billboard legislation, sometimes called ACT (HBA) the lady bird act, mandates state billboard controls on interstate, federal aid primary highway and new national highway systems.