20241028 12381600 1.0 ISO 19139 Metadata Implementation Specification FALSE MDOT_LRM_Oct24_MS 322902.070000 650778.320000 1045554.610000 1577835.860000 1 0.000 002 Projected GCS_North_American_1983 Linear Unit: Meter (1.000000) NAD_1983_Mississippi_TM <ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/3.4.0'><WKT>PROJCS[&quot;NAD_1983_Mississippi_TM&quot;,GEOGCS[&quot;GCS_North_American_1983&quot;,DATUM[&quot;D_North_American_1983&quot;,SPHEROID[&quot;GRS_1980&quot;,6378137.0,298.257222101]],PRIMEM[&quot;Greenwich&quot;,0.0],UNIT[&quot;Degree&quot;,0.0174532925199433]],PROJECTION[&quot;Transverse_Mercator&quot;],PARAMETER[&quot;False_Easting&quot;,500000.0],PARAMETER[&quot;False_Northing&quot;,1300000.0],PARAMETER[&quot;Central_Meridian&quot;,-89.75],PARAMETER[&quot;Scale_Factor&quot;,0.9998335],PARAMETER[&quot;Latitude_Of_Origin&quot;,32.5],UNIT[&quot;Meter&quot;,1.0],AUTHORITY[&quot;EPSG&quot;,3814]]</WKT><XOrigin>-5122200</XOrigin><YOrigin>-12297100</YOrigin><XYScale>450339697.45066422</XYScale><ZOrigin>-100000</ZOrigin><ZScale>10000</ZScale><MOrigin>-100000</MOrigin><MScale>10000</MScale><XYTolerance>0.001</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><WKID>102609</WKID><LatestWKID>3814</LatestWKID></ProjectedCoordinateSystem> 20250424 07434200 20250424 07434200 150000000 5000 Steve Walker MARIS GIS Operations Manager 601 432-6149 3825 Ridgewood Road, Suite 717 Jackson Mississippi 39211 US swalker@mississippi.edu M-F 7 - 3 CDT Downloadable from Download Data/Statewide/Transportation ArcGIS Metadata 1.0 10.2 Shapefile 65.047 2022-02-23T00:00:00 2022-02-24T00:00:00 Steve Walker MARIS GIS Operations Manager 601 432-6149 3825 Ridgewood Road, Suite 717 Jackson Mississippi 39211 US swalker@mississippi.edu M-F 7 - 3 CDT Downloadable from Download Data/Statewide/Education Evan Wright MDOT ewright@mdot.ms.gov MDOT_LRM_Oct24_MS <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The MDOT_CO_LRM feature is a complete dataset of roads in the State of Mississippi. All road mileages are referenced to the county they are contained. • This feature contains the State Maintained Routes as well as Local Roads. • All connectivity and topology checks have been performed. • The network contains ramps, frontage roads, intersection turnouts, as well as cross-overs.</SPAN></P><P><SPAN>*** Updated data as of July 31, 2023 ***</SPAN></P></DIV></DIV></DIV> Road centerlines from the MS Department of Transportation's Linear Referencing Method MS DOT, MDEM 2006 Imagery, MARIS roads MDOT linear-referencing method roads MDOT linear-referencing method true -91.689942 -88.098249 30.191846 35.005293 Esri ArcGIS 13.4.0.55405 1 -91.689942 -88.098249 35.005293 30.191846 EPSG 6.17.1(10.0.0) MDOT_LRM_Oct24_MS Feature Class 0 MS Dept of Transportation Linear Road Network MDOT FID FID OID 4 0 0 Internal feature number. Esri Sequential unique whole numbers that are automatically generated. Shape Shape Geometry 0 0 0 Feature geometry. Esri Coordinates defining the features. SRI SRI String 15 0 0 Standard Route Identifier. Concatenation of the COUNTY NUMBER + “_” + INVENTORY NUMBER + PASS_DIR (PRIMARY/SECONDARY) + SEGMENT NUMBER. This field uniquely identifies a route in the state. MDOT id MP_START MP_START Double 19 0 0 The mile point where the segment begins within the county. MDOT mile marker MP_END MP_END Double 19 0 0 The mile point where the segment ends within the county. MDOT mile marker M_LENGTH M_LENGTH Double 19 0 0 Calculated field which equals MP_END - MP_START MDOT length ROUTE_CLAS ROUTE_CLAS String 50 0 0 CHANNEL Channelized turning lane used as a right turn movement at an intersection. CROSSOVER Used to navigate between primary and secondary directions of a divided facility. FC This classification signifies that at least some portion of the route is of functional class higher than local. This classification is not our official functional class designation. FR Federal Routes (Currently the only federal route we have is the Natchez Trace) LOCAL This classification indicates a route that is not designated. MS Mississippi Highways RAMP Connects mainline to mainline at grade separated interchanges. REST AREA Dedicated route segment for rest area ingress and egress ROUNDABOUT Circular portion of this specialized Intersection US US Highways WEIGH STATION Dedicated route segment for weigh station ingress and egress IH Interstate Highways MDOT see values ROAD_NAME ROAD_NAME String 66 0 0 When available this field contains the road name of the particular route. MDOT name COUNTY COUNTY Integer 10 10 0 Numeric identifier for the county number. 1-82 (See County Lookup Below) COUNTYNMBR COUNTYNAME 1 Adams 2 Alcorn 3 Amite 4 Attala 5 Benton 6 Bolivar 7 Calhoun 8 Carroll 9 Chickasaw 10 Choctaw 11 Claiborne 12 Clarke 13 Clay 14 Coahoma 15 Copiah 16 Covington 17 Desoto 18 Forrest 19 Franklin 20 George 21 Greene 22 Grenada 23 Hancock 24 Harrison 25 Hinds 26 Holmes 27 Humphreys 28 Issaquena 29 Itawamba 30 Jackson 31 Jasper 32 Jefferson 33 Jefferson Davis 34 Jones 35 Kemper 36 Lafayette 37 Lamar 38 Lauderdale 39 Lawrence 40 Leake 41 Lee 42 Leflore 43 Lincoln 44 Lowndes 45 Madison 46 Marion 47 Marshall 48 Monroe 49 Montgomery 50 Neshoba 51 Newton 52 Noxubee 53 Oktibbeha 54 Panola 55 Pearl River 56 Perry 57 Pike 58 Pontotoc 59 Prentiss 60 Quitman 61 Rankin 62 Scott 63 Sharkey 64 Simpson 65 Smith 66 Stone 67 Sunflower 68 Tallahatchie 69 Tate 70 Tippah 71 Tishomingo 72 Tunica 73 Union 74 Walthall 75 Warren 76 Washington 77 Wayne 78 Webster 79 Wilkinson 80 Winston 81 Yalobusha 82 Yazoo MDOT name ROUTE_ID ROUTE_ID String 8 0 0 Non zero padded identifier for a route in a county. Can be followed by an X (Crossover) or a C (Channel). If followed by an A, E, or W this is to signify Alternate, East or West. If the route is a State Route, US Route, or Interstate Route the route id is representative of its signing and designation. (i.e. MS 25 is 25 in each county it passes through so long as the route class is MS as well). Route IDs are only unique to one county unless combined with a route class in the case of a State Route, US Route, or Interstate Route. A route id can also be unique when paired with a county and a pass_dir. MDOT ID PASS_DIR PASS_DIR String 1 0 0 Denotes the specific direction of a route, P (primary) or S (secondary). Previous systems that were single centerline would have only had a primary direction. The secondary direction is the roadway running in the opposing direction to the primary roadway (Divided Highway) for a single route. MDOT direction SEG_NO SEG_NO Integer 10 10 0 Denotes the specific segment of a route in a county. Segmentation can occur due to routes overlapping one another as well as offsets at intersections. MDOT number INV_NO INV_NO String 8 0 0 Zero padded version of the ROUTE_ID field. Used to reference legacy data that utilized fixed width fields. MDOT numbers ID1 ID1 Integer 10 10 0 Primary ID field. Should not be used for long term referencing since this can change with each publication. MDOT id WM_VALIDFR WM_VALIDFR String 24 0 0 Date that a segment went live (Valid From). With our current data model, most roads will have the 20th of March 2013. If a segment has had a change since this date, the validfrom time will have changed to reflect this change. MDOT Date WM_VALIDTI WM_VALIDTI String 24 0 0 In the event that a end of life date were known for a route and the new alignment had been established at a future date this field would show the end of serviceable life date for any segment involved. 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