page_title: Geography of Columbus, Ohio
section_title: Grid and address system
hierarchical_section_title: Geography of Columbus, Ohio / Transportation / Grid and address system
caption_attribution_description: English: I drew this map to illustrate the locations of numbered streets and avenues in Columbus, Ohio.
context_page_description: The city of Columbus is located in central Ohio at the confluence of the Scioto and Olentangy rivers. The region is dominated by a humid continental climate, characterized by hot, muggy summers and cold, dry winters.
context_section_description: The city's street plan originates downtown and extends into the old-growth neighborhoods, following a grid pattern with the intersection of High Street (running north–south) and Broad Street (running east–west) at its center. North–south streets run twelve degrees west of due North, parallel to High Street; the Avenues (vis. Fifth Avenue, Sixth Avenue, Seventh Avenue, etc.) run east–west. The address system begins its numbering at the intersection of Broad and High, with numbers increasing in magnitude with distance from Broad or High. Numbered Avenues begin with First Avenue, about 1¼ mile north of Broad Street, and increase in number as one progresses northward. Numbered Streets begin with Second Street, which is two blocks west of High Street, and Third Street, which is a block east of High Street, then progress eastward from there. Even-numbered addresses are on the north and east sides of streets, putting odd addresses on the south and west sides of streets. A difference of 700 house numbers means a distance of about one mile (along the same street). For example, 351 W 5th Avenue is approximately one-half mile west of High Street on the south side of Fifth Avenue. Buildings along north–south streets are numbered in a similar manner: the building number indicates the approximate distance from Broad Street, the prefixes ‘N’ and ‘S’ indicate whether that distance is to measured to the north or south of Broad Street and the street number itself indicates how far the street is from the center of the city at the intersection of Broad and High.
  This street numbering system does not hold true over a large area. The area served by numbered Avenues runs from about Marble Cliff to South Linden to the Airport, and the area served by numbered Streets covers Downtown and nearby neighborhoods to the east and south, with only a few exceptions. There are quite few intersections between numbered Streets and Avenues. Furthermore, named Streets and Avenues can have any orientation. For example, while all of the numbered avenues run east–west, perpendicular to High Street, many named, non-numbered avenues run north–south, parallel to High. The same is true of many named streets: while the numbered streets in the city run north–south, perpendicular to Broad Street, many named, non-numbered streets run east–west, perpendicular to High Street.
  The addressing system, however, covers nearly all of Franklin County, with only a few older suburbs retaining self-centered address systems. The address scale of 700 per mile results in addresses approaching, but not usually reaching, 10,000 at the county's borders.
  Other major, local roads in Columbus include Main Street, Morse Road, Dublin-Granville Road (SR-161), Cleveland Avenue/Westerville Road (SR-3), Olentangy River Road, Riverside Drive, Sunbury Road, Fifth Avenue and Livingston Avenue.
caption: Locations of numbered streets and avenues
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