Highways

Metadata also available as

Frequently-anticipated questions:


What does this data set describe?

Title: Highways
Abstract:
Highways in San Francisco. Based on comparison to TIGER designations for San Francisco streets. A view of the STCLINES layer. (Does not include portion of US HWY 1 in the Presidio which can be found in STCLINES_FREEWAYS).
  1. How should this data set be cited?

    DTIS, and DPW, Highways.

    Online Links:

    • Server=tisent20; Service=5151; User=sfgis; Version=SDE.DEFAULT

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -122.531648
    East_Bounding_Coordinate: -122.351793
    North_Bounding_Coordinate: 37.838258
    South_Bounding_Coordinate: 37.703557

  3. What does it look like?

  4. Does the data set describe conditions during a particular time period?

    Currentness_Reference: publication date

  5. What is the general form of this data set?

    Geospatial_Data_Presentation_Form: vector digital data

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

      This is a Vector data set. It contains the following vector data types (SDTS terminology):

      • String (246)

    2. What coordinate system is used to represent geographic features?

      The map projection used is Lambert Conformal Conic.

      Projection parameters:
      Standard_Parallel: 37.066667
      Standard_Parallel: 38.433333
      Longitude_of_Central_Meridian: -120.500000
      Latitude_of_Projection_Origin: 36.500000
      False_Easting: 6561666.666667
      False_Northing: 1640416.666667

      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest 0.000128
      Ordinates (y-coordinates) are specified to the nearest 0.000128
      Planar coordinates are specified in survey feet

      The horizontal datum used is North American Datum of 1983.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.000000.
      The flattening of the ellipsoid used is 1/298.257222.

      Vertical_Coordinate_System_Definition:
      Altitude_System_Definition:
      Altitude_Resolution: 1.000000
      Altitude_Encoding_Method:
      Explicit elevation coordinate included with horizontal coordinates

  7. How does the data set describe geographic features?

    SDE.SFGIS.STCLINES_HIGHWAYS

    OBJECTID
    Internal feature number. (Source: ESRI)

    Sequential unique whole numbers that are automatically generated.

    STREETNAME
    Full Street Name (Source: DPW)

    CNN
    Centerline Network Number (Source: DPW)

    CNNTEXT
    Centerline Network Number as Text (Source: DPW)

    LAYER
    Street Centerline Layer

    SHAPE
    Feature geometry. (Source: ESRI)

    Coordinates defining the features.

    SHAPE..Length()
    Length of Segment (Source: ESRI)


Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

    DTIS, DPW

  3. To whom should users address questions about the data?

    Department of Telecommunications and Information Services
    875 Stevenson St
    San Francisco, CA 94103
    USA

    415-554-0800 (voice)
    415-554-0886 (FAX)
    gis@sfgov.org


Why was the data set created?

Shows state highways in San Francisco.


How was the data set created?

  1. From what previous works were the data drawn?

  2. How were the data generated, processed, and modified?

  3. What similar or related data should the user be aware of?


How reliable are the data; what problems remain in the data set?


How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints: None.
Use_Constraints: None.

  1. Who distributes the data set? (Distributor 1 of 1)

    Department of Telecommunications and Information Services
    875 Stevenson St
    San Francisco, CA 94103
    USA

    415-554-0800 (voice)
    415-554-0886 (FAX)
    gis@sfgov.org

  2. What's the catalog number I need to order this data set?

    Downloadable Data

  3. What legal disclaimers am I supposed to read?

  4. How can I download or order the data?


Who wrote the metadata?

Dates:
Last modified: 11-Jan-2005
Metadata author:
Department of Telecommunications and Information Services
875 Stevenson St
San Francisco, CA 94103
USA

415-554-0800 (voice)
415-554-0886 (FAX)
gis@sfgov.org

Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)
Metadata extensions used:


Generated by mp version 2.8.6 on Tue Aug 09 15:51:08 2005