From OpenStreetMap Wiki
Jump to navigation Jump to search
Public-images-osm logo.svg tiger:name_direction_prefix
Group: highways
Used on these elements
should not be used on nodesmay be used on waysmay be used on areas (and multipolygon relations)should not be used on relations (except multipolygon relations)
Useful combination
Status: de facto

"tiger:name_direction_prefix means that the first component represents a directional abbreviation, and not the first letter of someone's name who goes by an abbreviation. For example "W O Ezell Highway" was named after Walter Ezell who was called W O Ezell. The highway was not West O Ezell because the tiger:name_direction_prefix tag would not be present."[1]

"The absence of a direction prefix is also telling, to keep "South Carolina Avenue" or simple "South Street" from being abbreviated. There's a particularly curvilinear street in a town near here named 'Letter S' (with direction prefixes Upper and Lower Letter S!) that databases routinely mangle into 'Letter South'."[2]

See more at TIGER_to_OSM_Attribute_Map#Feature_Name

See usage patterns at