Glossary

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L



Line
The side of a highway or street on which an outdoor units is positioned.

Line of Sight
The simultaneous viewing of more than one outdoor unit.

LINE OF TRAVEL
The center of a lane of traffic moving in one direction.

LITHOGRAPHY
A popular printing method for producing large quantities of poster paper per in full color.

LOAD FACTOR "VEHICLE LOAD FACTOR"
The average number of persons ding in each vehicle. Determined through national research and syndicated and government research reports.

LOCATION CODES
Letters used to designate the location of an advertising display on a street.
Standard abbreviations used are:
E/S-     East Side
W/S-    West Side
N/S-     North Side
S/S-     South Side

LOCATION LIST
List describing the location of all panels in a GRP/Showing.

LOCATION MAP
A map of the market with dots indicating the location of the displays for a specific GRP/Showing.