Highway Maintenance Class defines the level of service for maintenance of the highway, normally, a function of the traffic usage type and traffic volume. This layer contains polylines

The Road Structures on the highway that are maintained by the Ministry. Highway structures include bridges, culverts (greater than or equal to 3m diameter), retaining walls (perpendicular height greater than or equal to 2m), sign bridges, tunnels/snowsheds. Information is recorded in the Bridge Management Information System (BMIS)

Highway Planning and Design's 2017 Manitoba Road Network.The 2017 Manitoba Road Network was created by Manitoba Infrastructure --> Highway Engineering--> Highway Planning and Design. The department’s linear referencing system (LRS) uses Control Sections as a linear referencing method (LRM). The LRM is the digital representation of the Highway Network in Manitoba. The features indicate highway number and highway identity. This data was corrected using 1:60,000 digital ortho aerial photography dated from 1991-1998. Linear features have been updated on a yearly basis using GPS data, CAD files and 50cm imagery from 2007-2014, and is considered accurate to two-to-seven metres. Please note that this feature layer primarily contains only the roads that Manitoba Infrastructure is responsible for, i.e. Provincial Trunk Highways, Provincial Roads and Access Roads. However, you may also see Earth Roads (under construction) or Other roads (such as those passing through national parks and are federal responsibility). A newer version of this data is available: Manitoba Road Network 2018. Field List - FIELD NAME (Field Alias (i.e. display name)) in parenthesis)OBJECTID (OBJECTID) - Sequential, unique whole numbers are automatically generated.SHAPE (SHAPE) - A field to hold geometry information. ID (ID) - Unique Identifier generated by Oracle.CS_ID (Control Section ID) - Non unique identifier linking segment to its respective control section.ROAD_NO_SIGNED (Road Number Signed) - The road number. Note though, that in the case of co-routes, the lower highway number appears. This is a text field and differs from ROAD_NO only where there are city routes, for example 1A.ROAD_LOCATION (Road Location) - Access Road locations.DESCRIPTION (Road Description) - A text description of the start and end locations of each segment. CS_KEY (Control Section Key) - An information rich key containing Region (two digits), Road Number (three digits), Section number (three digits), the Road Type (one character), and direction of travel (one character).REGION_NO (MI Region) - The Manitoba Infrastructure region the segment is in. Regions 1-5.ROAD_NO (Road Number) - The road number. Note co-routes will have the lesser highway number. SECTION_NO (Section Number) - The control section's section number.START_KM (Start Kilometre (KM)) - The beginning of the Control Section (always zero).END_KM (End Kilometre (KM)) - The number of kilometres to the end of the Control Section.LENGTH_KM (Length Kilometres (KM)) - End Kilometre minus the Start Kilometre. ROAD_TYPE (Road Type) - The road type, i.e. PTHs, PRs, and Access Roads (Earth roads under construction may also be included). ROAD_DIRECTION (Road Direction) - A = ahead direction on a divided highway (i.e. following the digitizing direction), B = Back direction on a divided Highway (i.e. against the digitizing direction, and U= an undivided highway.ROAD_IDENTITY (Road Identity) - Road identity i.e. Provincial Road, Earth Road, Access Road and Other Road.NATIONAL_HIGHWAY_CLASS (National Highway Classification) - The national highway classification standard.START_DATE (Start Date) - The date the segment was created in the database. INVENTORY_YEAR (Inventory Year) - The year the road segment was opened to the public. SHAPE_Length (Segment Length) - An automatically generated length field based on geometry.

Highway Planning and Design's 2018 Manitoba Road Network.The 2018 Manitoba Road Network was created by Manitoba Infrastructure, Highway Engineering, Highway Planning and Design (HPD). The department’s linear referencing system (LRS) uses Control Sections as a linear referencing method (LRM). The LRM is the digital representation of the Highway Network in Manitoba. The features indicate highway number and highway identity. This data was corrected using 1:60,000 digital ortho aerial photography dated from 1991-1998. Linear features have been updated on a yearly basis using GPS data, CAD files and 50cm imagery from 2007-2014, and is considered accurate to two-to-seven metres. Please note that this feature layer primarily contains only the roads that Manitoba Infrastructure is responsible for, i.e. Provincial Trunk Highways, Provincial Roads and Access Roads. However, you may also see Earth Roads (under construction) or Other roads (such as those passing through national parks and are federal responsibility).Fields included (Alias (Field Name): Field description.) OBJECTID (OBJECTID): Sequential, unique whole numbers are automatically generated. SHAPE (SHAPE): A field to hold geometry information.  ID (ID): Unique Identifier generated by Oracle. Control Section ID (CS_ID): Non unique identifier linking segment to its respective control section. Road Number Signed (ROAD_NO_SIGNED): The road number. Note though, that in the case of co-routes, the lower highway number appears. This is a text field and differs from ROAD_NO only where there are city routes, for example 1A. Road Location (ROAD_LOCATION): Access Road locations. Road Description (DESCRIPTION): A text description of the start and end locations of each segment.  Control Section Key (CS_KEY): An information rich key containing Region (two digits), Road Number (three digits), Section number (three digits), the Road Type (one character), and direction of travel (one character). MI Region (REGION_NO): The Manitoba Infrastructure region the segment is in. Regions 1-5. Road Number (ROAD_NO): The road number. Note co-routes will have the lesser highway number.  Section Number (SECTION_NO): The control section's section number. Start Kilometre (KM) (START_KM): The beginning of the Control Section (always zero). End Kilometre (KM) (END_KM): The number of kilometres to the end of the Control Section. Length Kilometres (KM) (LENGTH_KM): End Kilometre minus the Start Kilometre.  Road Type (ROAD_TYPE): The road type, i.e. PTHs, PRs, and Access Roads (Earth roads under construction may also be included).  Road Direction (ROAD_DIRECTION): A = ahead direction on a divided highway (i.e. following the digitizing direction), B = Back direction on a divided Highway (i.e. against the digitizing direction, and U= an undivided highway. Road Identity (ROAD_IDENTITY): Road identity i.e. Provincial Road, Earth Road, Access Road and Other Road. National Highway Classification (NATIONAL_HIGHWAY_CLASS): The national highway classification standard. Start Date (START_DATE): The date the segment was created in the database.  Inventory Year (INVENTORY_YEAR): The year the road segment was opened to the public. 

A Highway Profile defines the number of through travel lanes, including passing and truck lanes, and whether the road is divided or not. It is a Linear feature

Highway summary statistics tableThis table provides summary statistics for Highways based on regions and surface types. 

This layer contains current Landscape Reserve Design (LRD) polygons associated the Great Bear Rainforest. The spatial data layer excludes sensitive information and is publicly viewable and downloadable. This data represents legally established and spatially defined LRD areas and are designed to meet Great Bear Rainforest requirements for Old Forest representation, Indigenous features and resources, wildlife values, and rare and endangered ecosystems that are identified during landscape unit planning or operational planning processes. Forest licensees are required to implement Ecosystem Based Management during operational planning processes to concurrently maintain ecosystem integrity and improve human well-being. This spatial view displays the current legal polygons, with more to be added as LRDs are established. This data is viewable in iMapBC by adding this layer name: ***Landscape Reserve Design – GBRO - legal***.

An accurate depiction of road structure construction history of the Highway Network in Manitoba.Manitoba Infrastructure, Highway Engineering, Highway Planning and Design (HPD) manages the Highway Inventory System (HIS). This system tracks road structure and construction history of Manitoba's Road Network. Published annually, this layer aids provincial engineers in planning and managing construction projects, both present and future. The department’s linear referencing system (LRS) uses control sections as a linear referencing method (LRM). These control section are further divided into subsections. It is on these subsections that road structure and construction history are tracked in the highway inventory system database.Please note that this feature layer primarily contains only the roads Manitoba Infrastructure is responsible for, i.e. Provincial Trunk Highways, Provincial Roads and Access Roads. It does not include municipal mile or grid roads. However, you may also see Earth Roads (under construction) or Other roads (such as those passing through national parks and are federal responsibility).Fields included (Alias (Field Name): Field description.) OBJECTID (OBJECTID): Sequential, unique whole numbers are automatically generated. SHAPE (SHAPE): A field to hold geometry information. ID (ID): Oracle's unique identifier Control Section ID (CS_ID): Non unique identifier linking segment to its respective control section. For example, a control section may have numerous geometry segments and each will have the same CS_ID. Control Section Key (CS_KEY): An information rich key containing Region (two digits), Road Number (three digits), Section number (three digits), the Road Type (one character), and direction of travel (one character). Subsection ID (SS_ID): Control Sections are further divided into Subsections. This is the subsection ID field. MI Region (REGION_NO): The Manitoba Infrastructure region the segment is in Regions 1-5. Road Number (ROAD_NO): The road number. Note co-routes will have the lesser highway number. Section Number (SECTION_NO): The section number from the CS_KEY. Road Type (ROAD_TYPE): H = Highway, E = Earth Road, and O= 'Other" road (such as through a national park because the road is not a responsibility of MI.) Road Direction (ROAD_DIRECTION): A = ahead direction on a divided highway (i.e. following the digitizing direction), B = Back direction on a divided highway (i.e. against the digitizing direction, and U= an undivided highway. Start Kilometre (KM) (START_KM): Start KM, is the start of the sub section within a control Section. This is part of the linear referencing method used for dynamic segmentation. End Kilometre (KM) (END_KM): End KM is the end of the sub section within a Control Section. This is part of the linear referencing method used for dynamic segmentation. Length (KM) (LENGTH_KM): End Kilometre minus the Start Kilometre. Subsection Description (SECTION_DESC): A text description of where the subsection starts and ends. Road Type Description (ROAD_TYPE_DESC): An unabbreviated version of Road Type above. Road Direction Description (ROAD_DIRECTION_DESC): An unabbreviated version of Road Direction above. Functional Class (FUNCTIONAL_CLASS): Functional Class: Expressway, Primary Arterial, Secondary Arterial and Collector Divided Status (DIVIDED_STATUS): Highway is divided or undivided. Number of Lanes (LANES): The number of lanes the road has. Median Type (MEDIAN_TYPE): Type of median: Raised Median, Depressed Median, Flush Median, Barrier and No Median. Median Width (m) (MEDIAN_WIDTH): The width of the median, in metres. Row Width (m) (ROW_WIDTH): The total width of the right-of-way in metres. Subgrade Width (m) (SUBGRADE_WIDTH): The width of the earth embankment in metres. Re-grade Year (REGRADE_YEAR): The year the road was last regraded. Re-grade Description (REGRADE_DESCRIPTION): Description of what re-grading was done. Outside Shoulder Type (OUTSIDE_SHLDR_TYPE): Type of outside shoulder: AST, Curbed, Fully Paved, Gravel, No Shoulders and N/A. Outside Shoulder Width (m) (OUTSIDE_SHLDR_WIDTH): The width of the outside shoulder in metres. Outside Paved Width (m) (OUTSIDE_PAVED_WIDTH): The width of the paved surface of the outside shoulder in metres. Inside Shoulder Type (INSIDE_SHLDR_TYPE): Type of inside shoulder: Curbed, Fully Paved, Gravel, No Shoulders and N/A. Inside Shoulder Width (m) (INSIDE_SHLDR_WIDTH): The width of the inside shoulder in metres. Inside Paved Width (m) (INSIDE_PAVED_WIDTH): The width of the paved surface of the inside shoulder in metres. Surface Type (SURFACE_TYPE): The type of surfacing on the road: A Base, AST, Bituminous (Bpm), Bituminous B, Bituminous C, C Base, Concrete, Granular, Reclaimed Asphalt Pavement and Road Mix Surface Width (m) (SURFACE_WIDTH): The surface width is the width of the driving lanes. Surface Depth (mm) (SURFACE_DEPTH): Thickness of the surface layer (mm). Surface Year (SURFACE_YEAR): The year the surface was constructed. Base Layer 1 (BASE_1): 1st subsurface layer. 1 = present, 0 = not present Base Layer 1 Type (BASE_1_TYPE): Material type of 1st subsurface layer of the road structure. Base Layer 1 Depth (mm) (BASE_1_DEPTH): Thickness of 1st subsurface layer of road structure in mm. Base Layer 1 Year (BASE_1_YEAR): Year materials placed or modified for 1st subsurface layer. Base Layer 2 (BASE_2): 2nd subsurface layer. 2 = present, 0 = not present Base Layer 2 Type (BASE_2_TYPE): Material type of 2nd subsurface layer of road structure. Base Layer 2 Depth (mm) (BASE_2_DEPTH): Thickness of 2nd subsurface layer of road structure in mm. Base Layer 2 Year (BASE_2_YEAR): Year materials placed or modified for 2nd subsurface layer. Base Layer 3 (BASE_3): 3rd subsurface layer. 3 = present, 0 = not present Base Layer 3 Type (BASE_3_TYPE): Material type of 3rd subsurface layer of road structure. Base Layer 3 Depth (mm) (BASE_3_DEPTH): Thickness of 3rd subsurface layer of road structure in mm. Base Layer 3 Year (BASE_3_YEAR): Year materials placed or modified for 3rd subsurface layer. Base Layer 4 (BASE_4): 4th subsurface layer. 4 = present, 0 = not present Base Layer 4 Type (BASE_4_TYPE): Material type of 4th subsurface layer of road structure. Base Layer 4 Depth (mm) (BASE_4_DEPTH): Thickness of 4th subsurface layer of road structure in mm. Base Layer 4 Year (BASE_4_YEAR): Year materials placed or modified for 4th subsurface layer. Base Layer 5 (BASE_5): 5th subsurface layer. 5 = present, 0 = not present Base Layer 5 Type (BASE_5_TYPE): Material type of 5th subsurface layer of road structure. Base Layer 5 Depth (mm) (BASE_5_DEPTH): Thickness of 5th subsurface layer of road structure in mm. Base Layer 5 Year (BASE_5_YEAR): Year materials placed or modified for 5th subsurface layer. Base Layer 6 (BASE_6): 6th subsurface layer. 6 = present, 0 = not present Base Layer 6 Type (BASE_6_TYPE): Material type of 6th subsurface layer of road structure. Base Layer 6 Depth (mm) (BASE_6_DEPTH): Thickness of 6th subsurface layer of road structure in mm. Base Layer 6 Year (BASE_6_YEAR): Year materials placed or modified for 6th subsurface layer. Base Layer 7 (BASE_7): 7th subsurface layer. 7 = present, 0 = not present Base Layer 7 Type (BASE_7_TYPE): Material type of 7th subsurface layer of road structure. Base Layer 7 Depth (mm) (BASE_7_DEPTH): Thickness of 7th subsurface layer of road structure in mm. Base Layer 7 Year (BASE_7_YEAR): Year materials placed or modified for 7th subsurface layer. Terrain Type (TERRAIN_TYPE): General terrain conditions: Flat, Rolling and Rugged. Construction Status (CONSTRUCTION_STATUS): Construction completed or carried over. Updated Date (UPDATED_YYYYMMDD): Date the record was updated.

Highway Planning and Design's 2016 Manitoba Road Network.The 2016 Manitoba Road Network was created by Manitoba Infrastructure --> Highway Engineering--> Highway Planning and Design. The department’s linear referencing system (LRS) uses Control Sections as a linear referencing method (LRM). The LRM is the digital representation of the Highway Network in Manitoba. The features indicate highway number and highway identity. This data was corrected using 1:60,000 digital ortho aerial photography dated from 1991-1998. Linear features have been updated on a yearly basis using GPS data, CAD files and 50cm imagery from 2007-2014, and is considered accurate to two-to-seven metres. Please note that this feature layer primarily contains only the roads that Manitoba Infrastructure is responsible for, i.e. Provincial Trunk Highways, Provincial Roads and Access Roads. However, you may also see Earth Roads (under construction) or Other roads (such as those passing through national parks and are federal responsibility). A newer version of this data is available: Manitoba Road Network 2018. Field List - FIELD NAME (Field Alias (i.e. display name)) in parenthesis) OBJECTID (OBJECTID) - Sequential, unique whole numbers are automatically generated. SHAPE (SHAPE) - A field to hold geometry information. ID (ID) - Unique Identifier generated by Oracle. CS_ID (Control Section ID) - Non unique identifier linking segment to its respective control section. ROAD_NO_SIGNED (Road Number Signed) - The road number. Note though, that in the case of co-routes, the lower highway number appears. This is a text field and differs from ROAD_NO only where there are city routes, for example 1A. ROAD_LOCATION (Road Location) - Access Road locations. DESCRIPTION (Road Description) - A text description of the start and end locations of each segment. CS_KEY (Control Section Key) - An information rich key containing Region (two digits), Road Number (three digits), Section number (three digits), the Road Type (one character), and direction of travel (one character). REGION_NO (MI Region) - The Manitoba Infrastructure region the segment is in. Regions 1-5. ROAD_NO (Road Number) - The road number. Note co-routes will have the lesser highway number. SECTION_NO (Section Number) - The control section's section number. START_KM (Start Kilometre (KM)) - The beginning of the Control Section (always zero). END_KM (End Kilometre (KM)) - The number of kilometres to the end of the Control Section. LENGTH_KM (Length Kilometres (KM)) - End Kilometre minus the Start Kilometre. ROAD_TYPE (Road Type) - The road type, i.e. PTHs, PRs, and Access Roads (Earth roads under construction may also be included). ROAD_DIRECTION (Road Direction) - A = ahead direction on a divided highway (i.e. following the digitizing direction), B = Back direction on a divided Highway (i.e. against the digitizing direction, and U= an undivided highway. ROAD_IDENTITY (Road Identity) - Road identity i.e. Provincial Road, Earth Road, Access Road and Other Road. NATIONAL_HIGHWAY_CLASS (National Highway Classification) - The national highway classification standard. START_DATE (Start Date) - The date the segment was created in the database. INVENTORY_YEAR (Inventory Year) - The year the road segment was opened to the public. SHAPE_Length (Segment Length) - An automatically generated length field based on geometry.

An accurate depiction of road structure construction history of the Highway Network in Manitoba.Manitoba Infrastructure --> Highway Engineering--> Highway Planning and Design (HPD) manages the Highway Inventory System (HIS). This system tracks road structure and construction history of Manitoba's Road Network. Published annually, this layer aids provincial engineers in planning and managing construction projects, both present and future. The department’s linear referencing system (LRS) uses control sections as a linear referencing method (LRM). These control section are further divided into subsections. It is on these subsections that road structure and construction history are tracked in the highway inventory system database. Please note that this feature layer primarily contains only the roads Manitoba Infrastructure is responsible for, i.e. Provincial Trunk Highways, Provincial Roads and Access Roads. It does not include municipal mile or grid roads. However, you may also see Earth Roads (under construction) or Other roads (such as those passing through national parks and are federal responsibility). A newer version of this data is available: Manitoba Highway Inventory 2018. Field List - FIELD NAME (Field Alias (i.e. display name)) in parenthesis) OBJECTID (OBJECTID) - Sequential, unique whole numbers are automatically generated.SHAPE (SHAPE) - A field to hold geometry information. ID (ID) - Oracle's unique identifierCS_ID (Control Section ID) - Non unique identifier linking segment to its respective control section. For example, a control section may have numerous geometry segments and each will have the same CS_ID.CS_KEY (Control Section Key) - An information rich key containing Region (two digits), Road Number (three digits), Section number (three digits), the Road Type (one character), and direction of travel (one character). SS_ID (Subsection ID) - Control Sections are further divided into Subsections. This is the subsection ID field.REGION_NO (MI Region) - The Manitoba Infrastructure region the segment is in Regions 1-5.ROAD_NO (Road Number) - The road number. Note co-routes will have the lesser highway number. SECTION_NO (Section Number) - The section number from the CS_KEY.ROAD_TYPE (Road Type) - H = Highway, E = Earth Road, and O= 'Other" road (such as through a national park because the road is not a responsibility of MI.) ROAD_DIRECTION (Road Direction) - A = ahead direction on a divided highway (i.e. following the digitizing direction), B = Back direction on a divided highway (i.e. against the digitizing direction, and U= an undivided highway.START_KM (Start Kilometre (KM)) - Start KM, is the start of the sub section within a control Section. This is part of the linear referencing method used for dynamic segmentation.END_KM (End Kilometre (KM)) - End KM is the end of the sub section within a Control Section. This is part of the linear referencing method used for dynamic segmentation.LENGTH_KM (Length (KM)) - End Kilometre minus the Start Kilometre.SECTION_DESC (Subsection Description) - A text description of where the subsection starts and ends. ROAD_TYPE_DESC (Road Type Description) - An unabbreviated version of Road Type above.ROAD_DIRECTION_DESC (Road Direction Description) - An unabbreviated version of Road Direction above.FUNCTIONAL_CLASS (Functional Class) - Functional Class: Expressway, Primary Arterial, Secondary Arterial and CollectorDIVIDED_STATUS (Divided Status) - Highway is divided or undivided. LANES (Number of Lanes) - The number of lanes the road has. MEDIAN_TYPE (Median Type) - Type of median: Raised Median, Depressed Median, Flush Median, Barrier and No Median.MEDIAN_WIDTH (Median Width (m)) - The width of the median, in metres.ROW_WIDTH (Row Width (m)) - The total width of the right-of-way in metres.SUBGRADE_WIDTH (Subgrade Width (m)) - The width of the earth embankment in metres. REGRADE_YEAR (Re-grade Year) - The year the road was last regraded.REGRADE_DESCRIPTION (Re-grade Description) - Description of what re-grading was done.OUTSIDE_SHLDR_TYPE (Outside Shoulder Type) - Type of outside shoulder: AST, Curbed, Fully Paved, Gravel, No Shoulders and N/A.OUTSIDE_SHLDR_WIDTH (Outside Shoulder Width (m)) - The width of the outside shoulder in metres.OUTSIDE_PAVED_WIDTH (Outside Paved Width (m)) - The width of the paved surface of the outside shoulder in metres.INSIDE_SHLDR_TYPE (Inside Shoulder Type) - Type of inside shoulder: Curbed, Fully Paved, Gravel, No Shoulders and N/A.INSIDE_SHLDR_WIDTH (Inside Shoulder Width (m)) - The width of the inside shoulder in metres.INSIDE_PAVED_WIDTH (Inside Paved Width (m)) - The width of the paved surface of the inside shoulder in metres.SURFACE_TYPE (Surface Type) - The type of surfacing on the road: A Base, AST, Bituminous (Bpm), Bituminous B, Bituminous C, C Base, Concrete, Granular, Reclaimed Asphalt Pavement and Road MixSURFACE_WIDTH (Surface Width (m)) - The surface width is the width of the driving lanes.SURFACE_DEPTH (Surface Depth (mm)) - Thickness of the surface layer (mm).SURFACE_YEAR (Surface Year) - The year the surface was constructed.BASE_1 (Base Layer 1) - 1st subsurface layer. 1 = present, 0 = not presentBASE_1_TYPE (Base Layer 1 Type) - Material type of 1st subsurface layer of the road structure.BASE_1_DEPTH (Base Layer 1 Depth (mm)) - Thickness of 1st subsurface layer of road structure in mm.BASE_1_YEAR (Base Layer 1 Year) - Year materials placed or modified for 1st subsurface layer.BASE_2 (Base Layer 2) - 2nd subsurface layer. 2 = present, 0 = not presentBASE_2_TYPE (Base Layer 2 Type) - Material type of 2nd subsurface layer of road structure.BASE_2_DEPTH (Base Layer 2 Depth (mm)) - Thickness of 2nd subsurface layer of road structure in mm.BASE_2_YEAR (Base Layer 2 Year) - Year materials placed or modified for 2nd subsurface layer.BASE_3 (Base Layer 3) - 3rd subsurface layer. 3 = present, 0 = not presentBASE_3_TYPE (Base Layer 3 Type) - Material type of 3rd subsurface layer of road structure.BASE_3_DEPTH (Base Layer 3 Depth (mm)) - Thickness of 3rd subsurface layer of road structure in mm.BASE_3_YEAR (Base Layer 3 Year) - Year materials placed or modified for 3rd subsurface layer.BASE_4 (Base Layer 4) - 4th subsurface layer. 4 = present, 0 = not presentBASE_4_TYPE (Base Layer 4 Type) - Material type of 4th subsurface layer of road structure.BASE_4_DEPTH (Base Layer 4 Depth (mm)) - Thickness of 4th subsurface layer of road structure in mm.BASE_4_YEAR (Base Layer 4 Year) - Year materials placed or modified for 4th subsurface layer.BASE_5 (Base Layer 5) - 5th subsurface layer. 5 = present, 0 = not presentBASE_5_TYPE (Base Layer 5 Type) - Material type of 5th subsurface layer of road structure.BASE_5_DEPTH (Base Layer 5 Depth (mm)) - Thickness of 5th subsurface layer of road structure in mm.BASE_5_YEAR (Base Layer 5 Year) - Year materials placed or modified for 5th subsurface layer.BASE_6 (Base Layer 6) - 6th subsurface layer. 6 = present, 0 = not presentBASE_6_TYPE (Base Layer 6 Type) - Material type of 6th subsurface layer of road structure.BASE_6_DEPTH (Base Layer 6 Depth (mm)) - Thickness of 6th subsurface layer of road structure in mm.BASE_6_YEAR (Base Layer 6 Year) - Year materials placed or modified for 6th subsurface layer.BASE_7 (Base Layer 7) - 7th subsurface layer. 7 = present, 0 = not presentBASE_7_TYPE (Base Layer 7 Type) - Material type of 7th subsurface layer of road structure.BASE_7_DEPTH (Base Layer 7 Depth (mm)) - Thickness of 7th subsurface layer of road structure in mm.BASE_7_YEAR (Base Layer 7 Year) - Year materials placed or modified for 7th subsurface layer.<TERRAIN_TYPE (Terrain Type) - General terrain conditions: Flat, Rolling and Rugged.CONSTRUCTION_STATUS (Construction Status) - Construction completed or carried over.UPDATED_YYYYMMDD (Updated Date) - Date the record was updated.SHAPE_Length (Length) - Segment length, automatically generated by ArcGIS.