WINTER_MAINTENANCE_SUBAREAS
Go to Section:- Overview
- Data Quality
- Data Organization
- Coordinate System
- Attributes
- Distribution - Get Data
- Metadata Reference
Section 1: Overview
Originator:Minnesota Department of Transportation
Title:
WINTER_MAINTENANCE_SUBAREAS
Abstract:
The Minnesota Department of Transportation (MnDOT) divides the state into 8 administrative zones that are called Districts (Districts 1, 2, 3, 4, Metro (formerly 5 & 9), 6, 7, 8). Since some of the districts (Districts 3, 6, and 7) are split into smaller administrative zones, there are 11 administrative zones within these 8 Districts that are referred to as Maintenance Subdistricts. Subdistricts are then split further into 47 Maintenance Subareas. The boundaries of these Subareas/Subdistricts are used to determine which Subarea is responsible for maintenance activities on trunk highways (during the summer or winter season), and for reporting purposes.
Summer Maintenance Subareas (SUMMER_MAINTENANCE_SUBAREAS) is a polygon feature class that represents Subareas during the Summer Maintenance season within the 8 MnDOT Districts. A Subarea represents the area that is maintained by a specific truck station during the summer or winter seasons.
Winter Maintenance Subareas (WINTER_MAINTENANCE_SUBAREAS) is a polygon feature class that represents Subareas during the Winter Maintenance season within the main 8 MnDOT Districts. A Subarea represents the area that is maintained by a specific truck station during the summer or winter seasons.
Purpose:
This dataset was produced to address the need for accurate and updated Maintenance Subarea/Subdistrict boundaries, based on a collaborative inter-district discussion on the actual trunk highways and junctions served within each district. This dataset represents the third major review and updates done in 2018, as the origination of the district boundaries lacked the large-scale detail necessary for today's reporting and decision making. The detail and accuracy of this updated dataset is anticipated to support and facilitate mobile data collection.
Time Period of Content Date:
2022-04-26
Currentness Reference:
This data is current as of 8/26/19
Progress:
Complete
Maintenance and Update Frequency:
As needed
Spatial Extent of Data:
State of Minnesota
Bounding Coordinates:
-97.508970
-89.028990
49.652543
43.192405
Place Keywords:
Minnesota
Theme Keywords:
boundaries
Theme Keyword Thesaurus:
ISO 19115 Topic Category
Access Constraints:
None.
Use Constraints:
None. Please check sources, scale, accuracy, currentness and other available information. Please confirm that you are using the most recent copy of both data and metadata. Acknowledgement of the publisher would be appreciated.
Contact Person Information:
Peter Morey,
Roadway Data and Support Section Director
Minnesota Department of Transportation
395 John Ireland Blvd.
Saint Paul,
MN
55155
Phone: 651-366-3872
Fax: 651-366-3886
Email: linearreferencingsystem.admin.dot@state.mn.us
Browse Graphic:
None available
Associated Data Sets:
WINTER_MAINTENANCE_SUBAREAS
Section 2: Data Quality
Attribute Accuracy:
Logical Consistency:
A Topology check is performed and validated within ArcGIS Desktop to detect overlaps and gaps within the polygons of the feature class(es). If any topology errors are detected, they are then immediately fixed.
Completeness:
Data is complete for all 8 MnDOT Districts.
Horizontal Positional Accuracy:
Lineage:
The Maintenance Subareas polygon layer originated from a polygon layer called "Winter Subareas" created by Dan Flatgard. Formerly, the terms "Subarea" and "region" were used by districts to describe varying units of maintenance management. During this data update, the term "Subarea" was accepted as the uniform and consistent unit to define maintenance activities. Originally the Maintenance Subareas were defined by the boundaries for winter maintenance activities. As of 2018, there is two separate polygons representing the summer and winter seasons for Maintenance Subareas specifically. The jurisdiction for summer and winter-based maintenance activities can deviate substantially for each Maintenance Subarea.
The existing Subarea boundary data was investigated by MnDOT's Office of Transportation Systems Management (OTSM) and presented to representatives of each district for discussion. The data was then either accepted or edited. Agreement was only required if the Subarea boundary was external and adjacent to another district.
External boundaries of Maintenance Subareas coincided with Construction Districts boundaries (with exceptions), and so were held to county lines as much as possible. Where it was necessary to deviate from the Construction District boundary, the trunk highways were then buffered or offset by following the closest Civil Township or Public Land Survey System (PLSS) boundary line, as best represented cartographically. Any boundary that followed a road along a county line was offset by 100 feet to include the road in the county with the higher population.
Future changes to any Maintenance Subarea/Subdistrict(s) will go through MnDOT's Office of Transportation System Management and the Route Numbering and Control Section (RNCS) Committee's for verification and the approval of proposed boundary changes.
Section 3: Spatial Data Organization (not used in this metadata)
Section 4: Coordinate System
Horizontal Coordinate Scheme:
Universal Transverse Mercator
UTM Zone Number:
15
Horizontal Datum:
NAD83
Horizontal Units:
meters
Vertical Datum:
Vertical Units:
Depth Datum:
Depth Units:
Section 5: Attributes
Overview:
Detailed Citation:
Table Detail:
SUMMER_MAINTENANCE_SUBAREAS (File Geodatabase (.fgdb))| Field Name | Valid Values | Definition | Definition Source |
|---|
| FID | - | The unique field identifier for the respective record (system generated) | ESRI |
| Shape * | - | The type of shape (e.g. 'Polygon') (system generated) | ESRI |
| MAINTENANCE_SUBAREA | - | The name of the Maintenance Subarea | ESRI |
| MAINTENANCE_DISTRICT_ID | - | An alphanumeric single character that is the identifier for the respective District (e.g. '7', 'M', etc.) | ESRI |
| MAINTENANCE_SUB_DISTRICT_ID | - | Alphanumeric characters that represents the respective Subdistrict (e.g. '7B', 'M', etc.) | ESRI |
| MAINTENANCE_SUB_DISTRICT_NAME | - | The name of the Maintenance Subdistrict | ESRI |
| MAINTENANCE_DISTRICT_NAME | - | The name of the Maintenance District | ESRI |
| SHAPE_Leng | - | The length of the perimeter of the polygon in meters (system generated) | ESRI |
| SHAPE_Area | - | The area of the polygon in square meters (system generated) | ESRI |
SUMMER_MAINTENANCE_SUBAREAS (Shapefile (.shp) or GeoPackage (.gpkg))| Field Name | Valid Values | Definition | Definition Source |
|---|
| FID | - | The unique field identifier for the respective record (system generated) | ESRI |
| Shape * | - | The type of shape (e.g. 'Polygon') (system generated) | ESRI |
| MAINTENANC | - | The name of the Maintenance Subarea | ESRI |
| MAINTENA_1 | - | Alphanumeric single character that represents the respective District (e.g. '7', 'M', etc.) | ESRI |
| MAINTENA_2 | - | Alphanumeric characters that represents the respective Subdistrict (e.g. '7B', 'M', etc.) | ESRI |
| MAINTENA_3 | - | The name of the Maintenance Subdistrict | ESRI |
| MAINTENA_4 | - | The name of the Maintenance District | ESRI |
| SHAPE_Leng | - | The length of the perimeter of the polygon (in meters) | ESRI |
| SHAPE_Area | - | The area of the polygon (in square meters) | ESRI |
WINTER_MAINTENANCE_SUBAREAS (Shapefile (.shp) or GeoPackage (.gpkg))| Field Name | Valid Values | Definition | Definition Source |
|---|
| FID | - | The unique field identifier for the respective record (system generated) | ESRI |
| Shape * | - | The type of shape (e.g. 'Polygon') (system generated) | ESRI |
| MAINTENANC | - | The name of the Maintenance Subarea | ESRI |
| MAINTENA_1 | - | Alphanumeric single character that represents the respective District (e.g. '7', 'M', etc.) | ESRI |
| MAINTENA_2 | - | Alphanumeric characters that represents the respective Subdistrict (e.g. '7B', 'M', etc.) | ESRI |
| MAINTENA_3 | - | The name of the Maintenance Subdistrict | ESRI |
| MAINTENA_4 | - | The name of the Maintenance District | ESRI |
| SHAPE_Leng | - | The length of the perimeter of the polygon in meters (system generated) | ESRI |
| SHAPE_Area | - | The area of the polygon in square meters (system generated) | ESRI |
WINTER_MAINTENANCE_SUBAREAS (File Geodatabase (.fgdb))| Field Name | Valid Values | Definition | Definition Source |
|---|
| FID | - | The unique field identifier for the respective record (system generated) | ESRI |
| Shape * | - | The type of shape (e.g. 'Polygon') (system generated) | ESRI |
| MAINTENANCE_SUBAREA | - | The name of the Maintenance Subarea | ESRI |
| MAINTENANCE_DISTRICT_ID | - | An alphanumeric single character that is the identifier for the respective District (e.g. '7', 'M', etc.) | ESRI |
| MAINTENANCE_SUB_DISTRICT_ID | - | Alphanumeric characters that represents the respective Subdistrict (e.g. '7B', 'M', etc.) | ESRI |
| MAINTENANCE_SUB_DISTRICT_NAME | - | The name of the Maintenance Subdistrict | ESRI |
| MAINTENANCE_DISTRICT_NAME | - | The name of the Maintenance District | ESRI |
| SHAPE_Leng | - | The length of the perimeter of the polygon in meters (system generated) | ESRI |
| SHAPE_Area | - | The area of the polygon in square meters (system generated) | ESRI |
Section 6: Distribution
Publisher:
Minnesota Department of Transportation
Publication Date:
2022-04-26
Contact Person Information:
Peter Morey,
Roadway Data and Support Section Director
Minnesota Department of Transportation
395 John Ireland Blvd.
Saint Paul,
MN
55155
Phone: 651-366-3872
Fax: 651-366-3886
Email: linearreferencingsystem.admin.dot@state.mn.us
Distributor's Data Set Identifier:
MnDOT Maintenance Subareas
Ordering Instructions:
The data may be requested from the Contact person listed in the metadata. Online Linkage: I AGREE
to the notice in "Distribution Liability" above. Clicking to agree will either begin the download process, link to a service, or provide more instructions. See "Ordering Instructions" above for details.
Section 7: Metadata Reference
Metadata Date:
2022-04-26
Contact Person Information:
Kyle House,
Research Analyst Intermediate
Minnesota Department of Transportation
395 John Ireland Blvd.
Saint Paul,
MN
55155
Phone: 651-366-3873
Fax: 651-366-3886
Email: linearreferencingsystem.admin.dot@state.mn.us
Metadata Standard Name:
Minnesota Geographic Metadata Guidelines
Metadata Standard Version:
1.2