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NJDOT Geographic Information Systems

GIS Metadata


Frequently Asked Questions



What does this data set describe? back to top


Title: NJDOT Major Roadways 2009
Abstract: All NJ roads above the municipal level
  1. How should this data set be cited? back to top


  2. New Jersey Department of Transportation Geographic Information Systems, 2009, NJDOT Major Roadways 2009: New Jersey Department of Transportation GIS, Trenton, NJ.

    Online Link

    Other Citation Details:

    In the "State Maps" section, click on the Highway System zip file link.

  3. What geographic area does the data set cover? back to top


  4. West_Bounding_Coordinate: -75.577191
    East_Bounding_Coordinate: -73.908465
    North_Bounding_Coordinate: 41.356036
    South_Bounding_Coordinate: 38.926208

  5. What does it look like? back to top


  6. Does the data set describe conditions during a particular time period? back to top


  7. Calendar_Date: 2009
    Time_of_Day: unknown
    Currentness_Reference: ground condition

  8. What is the general form of this data set? back to top


  9. Geospatial_Data_Presentation_Form: vector digital data

  10. How does the data set represent geographic features? back to top


  11. How are geographic features stored in the data set? back to top


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

             - String (5010)

  13. What coordinate system is used to represent geographic features? back to top


  14.    Grid_Coordinate_System_Name: State Plane Coordinate System
       State_Plane_Coordinate_System:
             SPCS_Zone_Identifier: 2900
             Transverse_Mercator:
                   Scale_Factor_at_Central_Meridian: 0.999900
                   Longitude_of_Central_Meridian: -74.500000
                   Latitude_of_Projection_Origin: 38.833333
                   False_Easting: 492125.000000
                   False_Northing: 0.000000

       Planar coordinates are encoded using coordinate pair
       Abscissae (x-coordinates) are specified to the nearest 0.002048
       Ordinates (y-coordinates) are specified to the nearest 0.002048
       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_Datum_Name: North American Vertical
                                                   Datum of 1988
                   Altitude_Resolution: 1.000000
                   Altitude_Distance_Units: feet
                   Altitude_Encoding_Method: Implicit coordinate

  15. How does the data set describe geographic features? back to top


  16. roads_2008
             New Jersey roads (Source: New Jersey Department of
             Transportation)

    Shape
             Feature geometry. (Source: ESRI)

             Coordinates defining the features.

    OBJECTID
             Internal feature number (Source: ESRI)

    SRI
             Standard Route Identifier (Source: NJDOT)

    SLD_NAME
             Street Name (Source: NJDOT)

    MP_START
             Begin Milepost (Source: NJDOT)

    MP_END
             End Milepost (Source: NJDOT)

    Route_SUBTYPE
             Road Classification (Source: NJDOT)

    Value
    Definition
    7 Local Road
    2 US Highway
    3 State Highway
    5 County 500 Series Route
    1 Interstate Highway
    4 Toll Road
    6 County 600 Series Route

    RTE_LABEL
             Route labeling field (Source: NJDOT)

    SHAPE_LEN
             Internal feature description (Source: ESRI)


Who produced the data set? back to top

  1. Who are the originators of the data set? back to top

  2. (may include formal authors, digital compilers, and editors)

    New Jersey Department of Transportation Geographic
    Information Systems

  3. Who also contributed to the data set? back to top


  4. To whom should users address questions about the data? back to top


  5. New Jersey Department of Transportation
    c/o Mark Gulbinsky
    GIS Specialist
    1035 Parkway Avenue
    Trenton, NJ 08625
    USA

    609-530-3097 (voice)
    609-530-4508 (FAX)
    mark.gulbinsky@dot.state.nj.us
    Hours_of_Service: 8:30AM-5:00PM


Why was the data set created? back to top


        For mapping roads in NJ.



How was the data set created? back to top

  1. From what previous works were the data drawn?


  2. (source 1 of 1)
            Type_of_Source_Media: USGS Quadrangles
            Source_Scale_Denominator: 24000

  3. How were the data generated, processed, and modified? back to top


  4. (process 1 of 2)
            Dataset copied.

            Person who carried out this activity:

                New Jersey Department of Transportation
                1035 Parkway Avenue
                Trenton, NJ 08625
                USA

                609-530-2415 (voice)

            Data sources used in this process:             Server=conover43.oit.state.nj.us; Service=5152; User=;
                Version=SDE.DEFAULT

    (process 2 of 2)
            Dataset copied.

            Data sources used in this process:
                N:\gisdev01\shapefiles\roads_2003

  5. What similar or related data should the user be aware of? back to top


  6.         New Jersey Department of Transportation, 2009, NJDOT
            roadways: New Jersey Department of Transportation GIS,
            Trenton, NJ.


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


  1. How well have the observations been checked? back to top


  2. How accurate are the geographic locations? back to top


  3. Fitted to orthophotography 1995 to 2007

  4. How accurate are the heights or depths? back to top


  5. Where are the gaps in the data? What is missing? back to top


  6. How consistent are the relationships among the observations, including topology? back to top



How can someone get a copy of the data set? back to top

  1. Are there legal restrictions on access or use of the data? back to top


  2.         Access_Constraints:None.
            Use_Constraints:
                For all data contained herein, NJDOT makes no
                representations of any kind, including but not limited to
                the warranties of merchantability or fitness for a
                particular use, nor are any such warranties to be implied,
                with respect to the digital data layers furnished
                hereunder. NJDOT assumes no responsibility to maintain
                them in any manner or form.

  3. Who distributes the data set? back to top


  4. (Distributor 1 of 1)
            New Jersey Department of Transportation
            1035 Parkway Avenue
            Trenton, NJ 08620
            USA

            609-530-2415 (voice)
            Hours_of_Service: 8:30 AM-5:00 PM

  5. What's the catalog number I need to order this data set? back to top


  6. Downloadable Data

  7. What legal disclaimers am I supposed to read? back to top


  8. How can I download or order the data? back to top


  9.         Availability in digital form:

                Data format: ARCG (version 8.3) shapefile Size: 4.829             Media you can order: CD-ROM

            Cost to order the data: none

            How long will it take to get the data?

                24 hours


Who wrote the metadata? back to top


Dates:
        Last modified: 11-Jun-2009

Metadata author:

        New Jersey Department of Transportation
        c/o Mark Gulbinsky
        GIS Specialist
        1035 Parkway Avenue
        Trenton, NJ 08625
        USA

        609-530-3097 (voice)
        609-530-3898 (FAX)
        mark.gulbinsky@dot.state.nj.us
        Hours_of_Service: 8:30am-5:00pm

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

Metadata extensions used:
         ESRI
 
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  Last Updated:  June 4, 2009