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1.
Map of Marion County, Indiana showing highways & roads

Map of Marion County, Indiana showing highways & roads

1968?. Prout, Joseph E., cartographer. January 1, 1968. Scale approximately 1:60,000. Not 1 = 1/2 mile.

2.
Mile-Markers for System 1 Roads: Indiana

Mile-Markers for System 1 Roads: Indiana

2016. Indiana Department of Transportation, Road Inventory Section. MILE_MARKERS_SYSTEM1_INDOT_IN.SHP is a point shapefile that contains locations of all mile-marker Reference Post point Inventory for roads in India...

3.
Vector Created with Sketch.

Streets - Highway Subsections: Philadephia, Pennsylvania

2016. This layer delineates the 703 subsections of the Highway Division of the City of Philadelphia Streets Department.

4.
Vector Created with Sketch.
5.
System 1 Bridges: Indiana

System 1 Bridges: Indiana

2006. Indiana Department of Transportation, Business Information and Technology Systems, GIS Mapping. BRIDGES_SYSTEM1_INDOT_IN is a point shapefile that contains locations of all system 1 bridges in Indiana, provided by personnel of Indiana Departme...

6.
Shell highway map Indiana

Shell highway map Indiana

1949. Includes index to counties, cities and towns.; Text and ancillary maps of Hammond, Gary, Michigan City Region; Indianapolis, Indiana; and United St...

7.
Highway map Indiana

Highway map Indiana

1947. Includes index to counties, cities and towns.; Text, ill., Transcontinental mileage chart, and ancillary maps of Indianapolis, Indiana; and Standar...

8.
Highway map of Indiana

Highway map of Indiana

1929. Titus, Wm. J., cartographer. Includes text on recto and advertisements on verso.; B 929112--Panel. Scale not given.

9.
10.
General highway and transportation map, Clay County, Indiana

General highway and transportation map, Clay County, Indiana

1949?. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from Statewide Highway Planning Survey.; Includes location map and chart o...

11.
General highway and transportation map, Daviess County, Indiana

General highway and transportation map, Daviess County, Indiana

1949?. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from Statewide Highway Planning Survey.; 14.; Includes location map, inset...

12.
General highway and transportation map, Dearborn County, Indiana

General highway and transportation map, Dearborn County, Indiana

1949?. Blueline.; State road revised to January 1, 1949.; Data obtained from Statewide Highway Planning Survey.; Includes chart Culture in unincorporated ...

13.
General highway and transportation map, DeKalb County, Indiana

General highway and transportation map, DeKalb County, Indiana

1949?. Blue line print.; State roads rev. to Jan. 1949.; Data obtained from Statewide Highway Planning Survey.; Includes chart Culture in unincorporated p...

14.
General highway and transportation map, Dubois County, Indiana

General highway and transportation map, Dubois County, Indiana

1949?. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from Statewide Highway Planning Survey.; Includes location map and chart o...

15.
General highway and transportation map, Fulton County, Indiana

General highway and transportation map, Fulton County, Indiana

1949?. Blueline.; State road revised to to January 1, 1949.; Data obtained from Statewide Highway Planning Survey.; Includes chart Culture in unincorporat...

16.
General highway and transportation map, Grant County, Indiana

General highway and transportation map, Grant County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from Statewide Highway Planning Survey.; Includes location map and chart o...

17.
General highway and transportation map, Greene County, Indiana

General highway and transportation map, Greene County, Indiana

1953. Blueline.; State roads revised to January 1, 1953.; Data obtained from State-wide Highway Planning Survey.; Includes chart Culture in unincorporate...

18.
General highway and transportation map, Harrison County, Indiana

General highway and transportation map, Harrison County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; Data obtained from State-wide Highway Planning Survey.; Includes chart Culture in unincorporate...

19.
General highway and transportation map, Jefferson County, Indiana

General highway and transportation map, Jefferson County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from Statewide Highway Planning Survey.; Includes location map and chart o...

20.
General highway and transportation map, Martin County, Indiana

General highway and transportation map, Martin County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from State-wide Highway Planning Survey.; Includes location map and chart ...

21.
General highway and transportation map, Miami County, Indiana

General highway and transportation map, Miami County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from State-wide Highway Planning Survey.; Includes location map and chart ...

22.
General highway and transportation map, Noble County, Indiana

General highway and transportation map, Noble County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from State-wide Highway Planning Survey.; Includes location map, chart of ...

23.
General highway and transportation map, Owen County, Indiana

General highway and transportation map, Owen County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from State-wide Highway Planning Survey.; Includes location map, chart of ...

24.
General highway and transportation map, Pike County, Indiana

General highway and transportation map, Pike County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from State-wide Highway Planning Survey.; Includes location map, chart of ...

25.
General highway and transportation map, Posey County, Indiana

General highway and transportation map, Posey County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from State-wide Highway Planning Survey.; Includes location map, chart of ...

26.
General highway and transportation map, Pulaski County, Indiana

General highway and transportation map, Pulaski County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from State-wide Highway Planning Survey.; Includes location map, chart of ...

27.
General highway and transportation map, Randolph County, Indiana

General highway and transportation map, Randolph County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from Statewide Highway Planning Survey.; Includes location map and chart o...

28.
General highway and transportation map, Ripley County, Indiana

General highway and transportation map, Ripley County, Indiana

1949. Blueline.; State road revised to to January 1, 1949.; Data obtained from Statewide Highway Planning Survey.; Includes chart Culture in unincorporat...

29.
General highway and transportation map, Rush County, Indiana

General highway and transportation map, Rush County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from Statewide Highway Planning Survey.; Includes location map, chart of C...

30.
General highway and transportation map, Sullivan County, Indiana

General highway and transportation map, Sullivan County, Indiana

1949?. Blueline.; State roads revised January 1, 1949.; 1937.; 77.; Data obtained from State-wide Highway Planning Survey.; Includes ancillary map of Orig...

31.
General highway and transportation map, Tipton County, Indiana

General highway and transportation map, Tipton County, Indiana

1949?. Blueline.; State roads revised January 1, 1949.; 1937.; 80.; Data obtained from State-wide Highway Planning Survey.; Includes chart of Culture in u...

32.
General highway and transportation map, Wabash County, Indiana

General highway and transportation map, Wabash County, Indiana

1949?. Blueline.; State roads revised to January 1, 1949.; 1937.; 85.; Data obtained from State-wide Highway Planning Survey.; Includes inset of the Liber...

33.
General highway and transportation map, Warren County, Indiana

General highway and transportation map, Warren County, Indiana

1949?. Blueline.; State roads revised to January 1, 1949.; 1937.; 86.; Data obtained from State-wide Highway Planning Survey.; Includes chart of Culture i...

34.
General highway and transportation map, Wayne County, Indiana

General highway and transportation map, Wayne County, Indiana

1949?. Blueline.; State roads revised to January 1, 1949.; 1937.; 89.; Data obtained from State-wide Highway Planning Survey.; Includes chart of Culture i...

35.
General highway and transportation map, Wells County, Indiana

General highway and transportation map, Wells County, Indiana

1949?. Blueline.; State roads revised to January 1, 1949.; 1937.; 90.; Data obtained from State-wide Highway Planning Survey.; Includes inset of Wells Co....

36.
General highway and transportation map, White County, Indiana

General highway and transportation map, White County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; 91.; Data obtained from State-wide Highway Planning Survey.; Includes inset of Monticell...

37.
General highway and transportation map, Whitley County, Indiana

General highway and transportation map, Whitley County, Indiana

1949?. Blueline.; State roads revised to January 1, 1949.; 1937.; 92.; Data obtained from State-wide Highway Planning Survey.; Includes chart of Culture i...

38.
General highway and transportation map, Kosciusko County, Indiana

General highway and transportation map, Kosciusko County, Indiana

1949. State roads revised to January 1, 1949.; 1937.; Data obtained from State-wide Highway Planning Survey.; Includes location map and chart of Culture ...

39.
General highway and transportation map, LaGrange County, Indiana

General highway and transportation map, LaGrange County, Indiana

1949. Blueline.; State roads revised to January 1, 1949.; 1937.; Data obtained from State-wide Highway Planning Survey.; Includes location map, a chart o...

40.
General highway and transportation map, Tippecanoe County, Indiana

General highway and transportation map, Tippecanoe County, Indiana

1949?. Blueline.; State roads revised January 1, 1949.; 1937.; 79.; Data obtained from State-wide Highway Planning Survey.; Includes insets of the junctio...

41.
General highway and transportation map, Delaware County, Indiana

General highway and transportation map, Delaware County, Indiana

1937. Blue line print.; Corrected to January 1, 1937.; Data obtained from Statewide Highway Planning Survey.; Includes chart Culture in unincorporated pl...

42.
The federal aid highway system progress map: [Indiana]

The federal aid highway system progress map: [Indiana]

1940. Base map from U.S. Geological Survey state map.; Data corrected to May 1, 1940. Scale 1:500,000. 1 inch = 1.789 miles; Modified polyconic projection.

43.
Map of Indiana showing state highways designed in accordance with section 12, chapter 15, Acts of 1919 (Ind.) /Indiana State Highway Commission.

Map of Indiana showing state highways designed in accordance with section 12, chapter 15, Acts of 1919 (Ind.) /Indiana State Highway Commission.

1924. Indiana.State Highway Commission (1919-1953),cartographer. Detached from: Annual report of the State Highway Commission for the fiscal year ending September 30, 1923 / Indiana. State Highway Commission. In ...

44.
General highway and transportation map, Spencer County, Indiana

General highway and transportation map, Spencer County, Indiana

1937. Blackline.; Corrected to January 1, 1937.; 1937.; Data obtained from Statewide Highway Planning Survey.; Includes location map and chart of Culture...

45.
General highway and transportation map, St. Joseph County, Indiana

General highway and transportation map, St. Joseph County, Indiana

1949?. Blueline.; State roads revised January 1, 1949.; 1937.; 71.; Data obtained from State-wide Highway Planning Survey.; Includes chart of Culture in u...

46.
Roads: Minnesota, 2012

Roads: Minnesota, 2012

2012. Minnesota Department of Transportation (MnDOT). This dataset represents road centerlines for all public roads within the state of Minnesota. The roads are broken from intersection to intersection...

47.
Line

Roads Oneida County, Wisconsin, YE2016

2016. Oneida County Land Information Office. This line data layer represents roads for Oneida County, Wisconsin in YE2016. It is a feature class within the geodatabase, Oneida_Roads_YE2016.gdb...

48.
Vector Created with Sketch.

Interstate Highways: Washington, D.C.

District of Columbia GIS Program. Street Centerline Segments. A single line representing each street in the District They follow the general trend of the street and do not deviate d...

49.
Road Centerlines - Local and Other Roads: Maryland

Road Centerlines - Local and Other Roads: Maryland

Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The centerline is a data sharing process between the Sta...

50.
Line

Roads Juneau County, Wisconsin, 2017

2017. Juneau County Land Information. This line data layer represents roads for Juneau County, Wisconsin in 2017. It is a feature class within the geodatabase, Juneau_Roads_2017.gdb.[Ro...

51.
Vector Created with Sketch.

Interstate Highway System: Iowa

Iowa DOT GIS Services. Thematic map displaying the Interstate Highway System information for the centerline road segments in the State of Iowa.

52.
Vector Created with Sketch.

National Highway System: Iowa

Iowa DOT GIS Services. Thematic map displaying the current National Highway System (NHS) for the centerline road segments in the State of Iowa.

53.
Line

Highway Jurisdiction: Cook County, Illinois

2015. Cook County GIS Department. This line dataset contains roads under Cook County, Illinois jurisdiction. The MAINT attribute is True" for roads maintained by the County. The dat...

54.
Vector Created with Sketch.

National Highway System: Washington, D.C.

District of Columbia GIS Program. Streets designated as part of the National Highway System (NHS).

55.
Road Centerlines - Interstates: Maryland

Road Centerlines - Interstates: Maryland

Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The centerline is a data sharing process between the Sta...

56.
Road Centerlines - Routes: Maryland

Road Centerlines - Routes: Maryland

Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The centerline is a data sharing process between the Sta...

57.
Road Centerlines - US Routes: Maryland

Road Centerlines - US Routes: Maryland

Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The centerline is a data sharing process between the Sta...

58.
Vector Created with Sketch.

Freight Highway Network: Delaware Valley

2016. Delaware Valley Regional Planning Commission. The DVRPC Freight Highways data layer was based on DVRPC's major routes dataset representing major highways in the region. The dataset uses the cen...

59.
Vector Created with Sketch.

All Systems Permit (No Restrictions - Street Level): Iowa

Iowa DOT GIS Services. Displays all non-restricted local road segments in the state of Iowa. Specific route information is only available once zoomed into the county leve...

60.
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All Systems Permit (Not Reported - Street Level): Iowa

Iowa DOT GIS Services. Displays local road segments for which restriction information was not reported to the State of Iowa Department of Transportation. Specific route i...

61.
Functional Classification of Roadways: Indiana

Functional Classification of Roadways: Indiana

2016. Indiana Department of Transportation, Road Inventory Section. FUNCTIONAL_CLASS_INDOTMODEL_IN is a line shapefile that shows the Federal Highway Administration functional classification of roadways from the Roa...

62.
Department of natural Resources Administered State Forest Roads: Minnesota

Department of natural Resources Administered State Forest Roads: Minnesota

2018. Minnesota Department of Natural Resources (DNR) - Division of Forestry. Roads administered by the Commissioner of Natural Resources to provide access to lands administered by the Division of Forestry. These roads are ge...

63.
Vector Created with Sketch.

Street Centerlines: Hennepin County, Minnesota

Hennepin County GIS. This dataset contains the street centerlines of roadways in Hennepin County in the Metro Regional Centerline (MRCC) standard format. It is primaril...

64.
Indiana Roads from INDOT and TIGER Files: Indiana

Indiana Roads from INDOT and TIGER Files: Indiana

2015. Indiana Department of Transportation, Road Inventory Section. ROADS_2015_INDOT_IN.SHP is a line shapefile of Indiana roads, as provided by the Indiana GIS Department of Transportation (INDOT), Road Inventory S...

65.
Dreher's mile square index map of the city of Indianapolis

Dreher's mile square index map of the city of Indianapolis

1931. Swinehart, C. V., cartographer. The crossroads of America.; Includes one mile distance circles centered on Monument Circle, street index and advertisements.; Includes Dreher's cou...

66.
Don't let construction make you a wreck!: 1997 Indiana road construction map.

Don't let construction make you a wreck!: 1997 Indiana road construction map.

1997. Please note ... only major highway and interstate improvement projects are included in this brochure. Information is accurate as of February 1, 199...

67.
Here's your ticket to safe, worry-free work zone travel: '94 road improvements

Here's your ticket to safe, worry-free work zone travel: '94 road improvements

1994?. Please note ... only major highway and interstate improvement projects are included in this brochure. Information contained is accurate as of Febru...

68.
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Five-Year Program: 2018 Highways: Iowa

2018. Iowa DOT GIS Services. The Program contains the primary and interstate highway construction related investments planned for fiscal year (FY) 2018. To view the Program, vi...

69.
Vector Created with Sketch.

Five-Year Program: 2019 Highways: Iowa

2019. Iowa DOT GIS Services. The Program contains the primary and interstate highway construction related investments planned for fiscal year (FY) 2019. To view the Program, vi...

70.
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Five-Year Program: 2020 Highways: Iowa

2020. Iowa DOT GIS Services. The Program contains the primary and interstate highway construction related investments planned for fiscal year (FY) 2020. To view the Program, vi...

71.
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Five-Year Program: 2021 Highways: Iowa

2021. Iowa DOT GIS Services. The Program contains the primary and interstate highway construction related investments planned for fiscal year (FY) 2021. To view the Program, vi...

72.
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Five-Year Program: 2022 Highways: Iowa

2022. Iowa DOT GIS Services. The Program contains the primary and interstate highway construction related investments planned for fiscal year (FY) 2022. To view the Program, vi...

73.
Vector Created with Sketch.

All Systems Permit (Restricted Routes - Street Level): Iowa

Iowa DOT GIS Services. Displays all restricted local road segments in the state of Iowa. Specific route information is only available once zoomed into the county level. C...

74.
Line

TPP 2040 Current Revenue Highway Projects: Minnesota

2040. Metropolitan Transportation Services - Metropolitan Council. This data are the linear features shown on map “Identified Projects in Highway Current Revenue Scenario” from the 2040 Transportation Policy Plan a...

75.
Functional Class Roads - Planned: Metro Twin Cities, Minnesota

Functional Class Roads - Planned: Metro Twin Cities, Minnesota

2018. Metropolitan Council. The planned functional class roads layer contains approximate locations of planned major roads and highways in the Twin Cities seven county metropo...

76.
Functional Class Roads - Existing: Metro Twin Cities, Minnesota

Functional Class Roads - Existing: Metro Twin Cities, Minnesota

2018. Metropolitan Council and NCompass Technologies (formerly The Lawrence Group). The functional class roads layer contains major roads and highways in the Twin Cities seven county metropolitan area. The line work for the datase...

77.
Interstates from the Department of Transportation, 2015: Indiana

Interstates from the Department of Transportation, 2015: Indiana

2006. Indiana Department of Transportation, Road Inventory Section. INTERSTATES_INDOT_IN.SHP is a line shapefile of Indiana interstates, as provided by the Indiana GIS Department of Transportation (INDOT), Road Inve...

78.
Line

Functional Class Roads Regional Solicitation 2016: Metro Twin Cities, Minnesota

2018. Metropolitan Council and NCompass Technologies. Regional Solicitation Functional Class: The regional solicitation functional class roads are a specific version of the functional class roads to be...

79.
Regional Solicitation - Functional Class Roads - Planned: Metro Twin Cities, Minnesota, 2016

Regional Solicitation - Functional Class Roads - Planned: Metro Twin Cities, Minnesota, 2016

2016. Metropolitan Council. Regional Solicitation Functional Class: The regional solicitation functional class roads are a specific version of the functional class roads to be...

80.
Maryland Highway Performance Monitoring System - Roadway Maintenance Responsibility: Maryland

Maryland Highway Performance Monitoring System - Roadway Maintenance Responsibility: Maryland

Maryland iMap. This is a MD iMAP hosted service layer. Find more information at 'http://imap.maryland.gov.Linear features which specifically show the government a...

81.
Vector Created with Sketch.

NHS Connectors: Delaware Valley

2016. Delaware Valley Regional Planning Commission. National Highway System (NHS) connectors are roads, which may be either state or locally owned, which connect intermodal facilities to major highwa...

82.
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Scenic Byways: Iowa

Iowa DOT GIS Services. List of Iowa's Byways in the State of Iowa to include Delaware Crossing, Driftless Area, Glacial Trail, Grant Wood, Historic Hills, Iowa Valley, Ri...

83.
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All Systems Permit (All Restricted - County Level): Iowa

Iowa DOT GIS Services. Displays counties where all county roads are restricted. Street-level restriction map can be found here: http://www.iowadot.gov/mvd/motorcarriers/s...

84.
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All Systems Permit (No Restrictions - County Level): Iowa

Iowa DOT GIS Services. Displays counties where no county roads are restricted. Street-level restriction map can be found here: http://www.iowadot.gov/mvd/motorcarriers/sy...

85.
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All Systems Permit (Some Restrictions - County Level): Iowa

Iowa DOT GIS Services. Displays counties where some county roads are restricted. Street-level restriction map can be found here: http://www.iowadot.gov/mvd/motorcarriers/...

86.
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Network - Commercial and Industrial: Iowa

Iowa DOT GIS Services. Commercial and Industrial Network information for the centerline road segments in the State of Iowa.1. Purpose. It is the purpose of this section t...

87.
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TPP 2040 Current Revenue Bridge Projects: Minnesota

2040. Metropolitan Transportation Services - Metropolitan Council. This data are the point features shown on map “Identified Projects in Highway Current Revenue Scenario” from the 2040 Transportation Policy Plan ad...

88.
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Network - Farm to Market: Iowa

Iowa DOT GIS Services. Thematic maps displaying the Farm to Market route information for the centerline road segments in the State of Iowa. Farm-to-market roads or farm-t...

89.
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Five-Year Program: 2018 Structures: Iowa

2018. Iowa DOT GIS Services. The Program contains the primary and interstate highway construction related investments planned for fiscal year (FY) 2018. To view the Program, vi...

90.
Vector Created with Sketch.

Five-Year Program: 2019 Structures: Iowa

2019. Iowa DOT GIS Services. The Program contains the primary and interstate highway construction related investments planned for fiscal year (FY) 2019. To view the Program, vi...

91.
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Five-Year Program: 2020 Structures: Iowa

2020. Iowa DOT GIS Services. The Program contains the primary and interstate highway construction related investments planned for fiscal year (FY) 2020. To view the Program, vi...

92.
Vector Created with Sketch.

Five-Year Program: 2021 Structures: Iowa

2021. Iowa DOT GIS Services. The Program contains the primary and interstate highway construction related investments planned for fiscal year (FY) 2021. To view the Program, vi...

93.
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Five-Year Program: 2022 Structures: Iowa

2022. Iowa DOT GIS Services. The Program contains the primary and interstate highway construction related investments planned for fiscal year (FY) 2022. To view the Program, vi...

94.
Mixed

TPP 2040 MnPASS System Vision: Minnesota

2040. Metropolitan Council - 2040 Transportation Policy Plan. Data created as part of the 2040 Transportation Policy Plan, adopted Jan 14, 2015. Data are two files (points and lines) represented on Figure 5-6 ...

95.
Roadway Interchange Exits - Roadway Interchange Exits: Maryland

Roadway Interchange Exits - Roadway Interchange Exits: Maryland

2016. Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap. maryland. gov. Point features which represent the locations of interc...

96.
Roadway Mile Markers - Roadway Mile Markers: Maryland

Roadway Mile Markers - Roadway Mile Markers: Maryland

2015. Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap. maryland. gov. Point features which represent the locations of mile m...

97.
Roadway Posted Speed Limits - Roadway Posted Speed Limit Signs: Maryland

Roadway Posted Speed Limits - Roadway Posted Speed Limit Signs: Maryland

2016. Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap. maryland. gov. Point features which represent the location of posted ...

98.
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Lane Mile Inventory (LMI): Michigan

2015. The Lane Mile Inventory is a GPS assisted windshield survey data collection of the number of lanes on any given segment of Michigan state highway (...

99.
MDOT SHA Maintenance Shop Facilities - MDOT SHA Maintenance Shop Facilities: Maryland

MDOT SHA Maintenance Shop Facilities - MDOT SHA Maintenance Shop Facilities: Maryland

2017. Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap. maryland. gov. Point features which represent the locations of all Ma...

100.
MDOT SHA Maintenance Shop Facilities - MDOT SHA Maintenance Shop Facility Boundaries: Maryland

MDOT SHA Maintenance Shop Facilities - MDOT SHA Maintenance Shop Facility Boundaries: Maryland

2014. Maryland iMap. This is a MD iMAP hosted service layer. Find more information at http://imap. maryland. gov. Polygon features which represent the areas of maintena...