San Diego County Road Network Shapefile from U.S. Census Bureau

U.S. Census Bureau provides a TIGER/Line Shapefile containing all road and path features for San Diego County, California. The data is extracted from the national Master Address File/Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) System, designed as a seamless national file. It includes primary roads, local streets, alleys, bike paths, walkways, and other vehicular trails.

Use Cases

• Calculate road density or network connectivity for San Diego County using the complete set of road features.
• Analyze the distribution of different road types (e.g., alleys, bike paths, ramps) based on MAF/TIGER Feature Classification Codes (MTFCC).
• Perform spatial joins to associate address ranges from this shapefile with other geographic datasets for the county.
• Use the road centerline geometry to build routing networks or for cartographic base mapping in San Diego County.

Strengths

• Data originates from the authoritative U.S. Census Bureau MAF/TIGER System, ensuring national consistency.
• Includes a wide variety of road and path features, from primary highways to pedestrian stairways and private service roads.
• Shapefile is designed to be topologically integrated with no overlaps or gaps, supporting accurate spatial analysis.

Limitations

• Specific metrics like total row count (number of road segments), file size, and column details are not provided in the input.
• As a single-county extract, analysis of regional or state-level road networks requires combining multiple files.
• The description does not specify the temporal coverage or vintage of the road data within the 'current' series.

Provenance

Source

U.S. Census Bureau, Department of Commerce

Collection Method

Extracted from the Master Address File / Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) System.

Freshness

Last updated on 2025-12-26, indicating recent maintenance.

Geography

San Diego County, California, USA