Latitude and longitude coordinates for street intersections across every U.S. county are provided. The data includes names of both intersecting streets and unique node identifiers for frequently intersecting roads. This portion of the Archive of Census Related Products was produced by the Center for International Earth Science Information Network and represents a snapshot from 1990.
Use Cases
- Map historical urban growth by analyzing intersection density and street name patterns across counties.
- Geocode historical addresses by matching them to the nearest recorded latitude and longitude intersection node.
- Study transportation network evolution by comparing these 1990 intersection locations with modern road network data.
Strengths
- Nationwide coverage includes intersections for every county in the United States.
- Core geospatial features (latitude, longitude) and descriptive data (street names, node numbers) are confirmed.
Limitations
- Data is over 30 years old and does not reflect recent urban development or road construction.
- The exact number of rows (intersection records) and file formats are unknown, complicating integration planning.
Provenance
- Source
- Center for International Earth Science Information Network (CIESIN), part of the Archive of Census Related Products (ACRP).
- Collection Method
- Derived from 1990 U.S. Census-related products.
- Time Range
- 1990
- Freshness
- Static snapshot from 1990.
- Geography
- United States, county-level coverage.