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ESRI Shapefile
Tags
transportation, health, imageryBaseMapsEarthCover, communications, emergency preparedness, geocodes, infrastructure, mobility corridors, numbered routes, public roads, roads, towns, townships
NG_ROADS data was developed to implement the Next Generation 911 project in Maine. This data contains up-to-date road names and address ranges for the State of Maine. Data at this scale would be useful for planning, utility, development and various other applications. Northern Maine woods roads GPS'd by the Maine Forest Service during the summer of 2005 were added to the data set June 2006. The roads are not in the NG911 system and have been provided only to assist local emergency efforts. Attributes on road class, road width and road condition were populated by the Maine Forest Service at the time of collection. This tabular data is available from the NG911 project upon request and publication is pending.
NG_ROADS contains updated road centerline and road name data for Maine at 1:24,000 scale. NG_ROADS digital roads were developed, and are maintained, to serve the Next Generation 911 project in Maine. Next Generation 9-1-1 has many public safety benefits, the two most important features are: the public's ability to dial 9-1-1 for all emergencies and automatic caller location information, critical to speeding up the dispatch of emergency services. The Public Utilities Commission (MEPUC), and Emergency Services Communication Bureau (ESCB) are working to support a statewide implementation of Next Generation 9-1-1 service. ESCB' role in this implementation is to provide technical assistance to towns that need to establish physical addresses. Physical addresses for participating towns are developed based on community defined address intervals, and road names, applied to an updated set of digital roads. NG_ROADS data contains up-to-date road names and address ranges for participating Maine towns. Data is statewide and divided by minor civil divisions. The data set was developed from USGS 1:24,000 digital roads data and ESRI SDE feature class format. The project used GPS collection and worked with each municipality to verify road and roadname data. Other data sources include MEDOQs (appended, compressed USGS Digital Orthophoto Quarter Quadrangles), 10 meter panchromatic sharpened SPOT imagery from the USA Select Statewide Program and US Department of Commerce, Bureau of Census TIGER/LineFiles. A related table Standard Geocodes for Maine Minor Civil Divisions, 1971 is available at http://megis.maine.gov/catalog/ "Tables". The coverage includes the ARC items E911, RDNAME, RANGE. Ongoing maintenance of the final data includes the addition and/or correction of roads, roadnames and address ranges at the request of each municipalities Addressing Officer.
Credit should always be given to the data source and/or originator when the data is transferred or printed.
Users must assume responsibility in determining the usability of this data for their purposes. Digital maps retain the accuracy of their source materials. The best use of data mapped at scales of 1:500,000 and 1:250,000 is in statewide planning and studies; at 1:100,000 in regional planning and studies; at 1:62,500 and 1:24,000 in detailed studies and local planning; and at 1:12,000 and 1:5,000 or larger scales in parcel level studies and detailed local planning. In the use of Maine ESCB data, please check sources, scale, accuracy, currentness and other available information. Please confirm that you are using the correct copy of both data and metadata from the Maine GIS Data Catalog. To request data correction in, or provide updates to Maine GIS data, please use the contact information contained in the metadata. Updates, corrections, and feedback, incorporated in the Maine GIS database, are made in accordance with "Data Standards for Maine Geographic Information Systems", 2002, and coordinated by MEGIS in consultation with the Maine GIS Executive Council.
Extent
West | -71.162359 | East | -66.851399 |
North | 47.452154 | South | 43.065541 |
Maximum (zoomed in) | 1:5,000 |
Minimum (zoomed out) | 1:150,000,000 |
Credit should always be given to the data source and/or originator when the data is transferred or printed.
Users must assume responsibility in determining the usability of this data for their purposes. Digital maps retain the accuracy of their source materials. The best use of data mapped at scales of 1:500,000 and 1:250,000 is in statewide planning and studies; at 1:100,000 in regional planning and studies; at 1:62,500 and 1:24,000 in detailed studies and local planning; and at 1:12,000 and 1:5,000 or larger scales in parcel level studies and detailed local planning. In the use of Maine ESCB data, please check sources, scale, accuracy, currentness and other available information. Please confirm that you are using the correct copy of both data and metadata from the Maine GIS Data Catalog. To request data correction in, or provide updates to Maine GIS data, please use the contact information contained in the metadata. Updates, corrections, and feedback, incorporated in the Maine GIS database, are made in accordance with "Data Standards for Maine Geographic Information Systems", 2002, and coordinated by MEGIS in consultation with the Maine GIS Executive Council.
Attribute accuracy is tested by manual comparison of the source with hard copy printouts and/or symbolized display of digital files. Attributes for the items LCITY and RCITY represent location names, i.e. Springvale. Location names attributes are used to match telephone company MSAG data. These attributes are also important to geocoding. 98% of the time the location name is also the minor civil division name and will match the attributes of the item TOWN.
SDE Feature Class
Environmental Systems Research Institute, Inc. (ESRI)
Contains coded value for source of geometry
NG911 project ESCB
word used preceeding street name relating to direction, eg. North, South, East or West
NG911 project ESCB
Official name of a road as designated by local authority
NG911 project ESCB
an affix occurring at the end of street name
For a current digital reference see Appendix D of the "Enhanced 911 Addressing Officer Manual" located at http://www.maine911.com/communities/publications/AOManualMaster-April%202011.pdf
Word used following street name relating to direction, eg. North, South, East or West
NG911 project ESCB
Road name (predir + street_name + suffix + postdir)
NG911 project ESCB
Lowest address on left hand side of street segment
NG911 project ESCB
Highest address on left hand side of street segment
NG911 project ESCB
Lowest address on right hand side of street segment
NG911 project ESCB
Highest address on right hand side of street segment
NG911 project ESCB
Maine town or township name
NG911 project ESCB
NG9-1-1 community name for left side of the road segment
NG911 project ESCB
NG9-1-1 community name for right side of the road segment
NG911 project ESCB
NG9-1-1 Emergency Service zone Number (ESN) for left side of the road segment
NG911 project ESCB
NG9-1-1 Emergency Service zone Number (ESN) for right side of the road segment
NG911 project ESCB
County on the left side of road segment
NG911 project ESCB
County on the right side of road segment
NG911 project ESCB
Community providing postal service on left side of road segment
NG911 project ESCB
Community providing postal service on right side of road segment
NG911 project ESCB
Zipcode on left side of road segment
NG911 project ESCB
Zipcode on rigt side of road segment
NG911 project ESCB
Refers to the date of the last update to an attribute of the feature
NG911 project ESCB
Refers to the organization that performed the last update of an attribute of the feature
NG911 project ESCB
Refers to the date of the last update to the location of the feature
NG911 project ESCB
Refers to the organization that performed the last update of the location of the feature
NG911 project ESCB
Maine geocode for left side of road segment
NG911 project ESCB
Maine geocode for right side of road segment
NG911 project ESCB
Represents the route number of the road segment
NG911 project ESCB
Road name (combination of PREDIR + STREETNAME + SUFFIX + POSTDIR)
NG911 project ESCB
Indicates if road segment allows traffic flow in only one direction or not
NG911 ESCB
Unique ID required by NG911, created by using objectID and the string "@ngesi.maine.gov"
NG911 project
State on left side of road segment
NG911 project ESCB
State on right side of road segment
NG911 project ESCB
Address parity on left side of road segment
NG911 project ESCB
Address parity on right side of road segment
NG911 project ESCB
Speed limit on road segment as found in MeDOT data or supplied by municiple addressing officer or calculated default (rdclass as a guide)
NG911 project ESCB
Road classification as determined by the MTFCC in Tiger Data
NG911 project ESCB
Country on left side of road segment
NG911 project ESCB
Country on right side of road segment
NG911 project ESCB
Length of road segment in US Feet determined by calculating geometry function in ArcGIS
NG911 project ESCB
Approximate time in minutes it takes to traverse the road segment. Calculated by using SPEED and FEET
NG911 project ESCB
NG911 required to show authoritative source using "ngesi.maine.gov"
NG911 project ESCB
Date the last time record was updated
NG911 project ESCB
Date the record becomes effective
NG911 project ESCB
Community name of left side of road segment as displayed in the MSAG
NG911 project ESCB
Community name of right side of road segment as displayed in the MSAG
NG911 project ESCB
NG911 required code consisting of the State code "23" and that of the county code for the left side of the road segment
NG911 project ESCB
NG911 required code consisting of the State code "23" and that of the county code for the right side of the road segment
NG911 project ESCB
Internal ESRI ID that uniquely identifies a feature or table row within a geodatabase and across geodatabases. This is how features are tracked in one-way and two-way geodatabase replication.
ESRI
Feature geometry.
ESRI
Internal ArcGIS attribute
NG911 project ESCB
Internal feature number
ESRI
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