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Streets Centerline


Used citywide as base layer for many purposes/applications. The street centerline is available for reference purposes only and does not represent exact engineering specifications. The Philadelphia Streets Department makes no guarantees as to the accuracy of the layer. Features Updated: 11/29/2012 Attributes Updated: 11/29/2012 Metadata Updated: 01/14/2013 Update Frequency: every two months


The street centerline represents streets and walkways dedicated to the city, some private streets and walkways, and additional segments not meeting either classification. All street segments lie generally within the boundaries of the City of Philadelphia. Each street segment has a unique identifier attribute.

Data Development

The centerline is updated when city plan makes a change in there records. Also if the traffic engineering group can make or see a change that the centerline would need upating from.

Key Attribute Fields

PRE_DIR Directional prefix of complete street name

ST_NAME Street name

ST_TYPE Street type designation

SUF_DIR Directional suffix of complete street name

ZIP_LEFT Zip code on left side of arc

ZIP_RIGHT Zip code on right side of arc

L_F_ADD "From" address attribute on left side of arc

L_T_ADD "To" address attribute on left side of arc

R_F_ADD "From" address attribute on right side of arc

R_T_ADD "To" address attribute on right side of arc

ST_CODE street code

L_HUNDRED address hundred block on left side of arc

R_HUNDRED address hundred block on right side of arc

SEG_ID unique identifier of arc

ONEWAY Denotes travel direction of arc in conjunction with arc direction

STNAME Concatenated field consisting of Pre_dir, St_name, St_type, Suf_dir items

CLASS Street class of arc; 1-Expressways; 2-Major Arterial; 3-Minor Arterial; 4-Collector; 5-Local

RESPONSIBL Responsibility of street arc


Andy Mehos, GIS Manager, Streets Department/Office of Innovation and Technology, City of Philadelphia, 880 MSB, Philadelphia, PA 19102;; 215-686-5186

Use Limitations

The City of Philadelphia makes no representation about the accuracy of any specific information in this GIS data and is provided “as is” and without Warranty of any kind. Boundaries are self-reported. The user of this data will assume complete responsibility for any and all occurrences resulting from its use or display and will hold the City of Philadelphia harmless from any and all claims, demands, liabilities, obligations, damages, suits, judgments or settlements, including reasonable costs and attorneys' fees, that arise from use of this data.