A Summary ofState DOT GIS Activities

Presented at the

2005 AASHTO GIS-T Symposium

Lincoln, NE

Information Sources

E-mail survey of state DOT GIS managers• 41 State DOTs (and PR) responded in 2005

Significant revision to survey questions

Several new questions added:• Certification of GIS staff• Other geo-data maintained by agency• Maintenance of milepost markers• Greatest benefits & costs of GIS technology

2005 Survey Responses

GIS Deployment in the DOT

19%

46%

25%

6%

4%

Individual Users Single GIS UnitCore GIS Unit & End Users Enterprise GISNo Response

Location of GIS Unit

21%

4%

13%

2%

27%

33%

Planning Information Services Engineering

Multiple Locations Other No Response

GIS Staff Time Allocation

18%

16%14%

13%

14%

7%

18%

Base Road Network LRS Data WarehouseTech Support End User Apps. Web AppsOther

GIS Staffing & Contracting

Slight increase reported in GIS core staffing (Average 7.4 per agency).

GIS certification is not important factor in hiring/advancement of GIS staff.

DOTs outsource about 39% of GIS work.

Average GIS contract budget is about $325,000 per year per agency

Current GIS Software Mix

ESRI10%

2 Vendors29%

3 Vendors19%

4+ Vendors21%

No Response21%

Primary GIS Software

Desktop GIS

ArcGIS GeoMedia

Oracle No Response

Web GIS

ArcIMSWebMapNo Response

Base Map Scales

0 5 10 15 20 25 30

No Basemap

Multiple /Other Scales

1:100K

1:24K

1:12K or Better

2005

2003

2001

1999

1997

Road Network Coverage

All Public Roads

56%

No Network / Unknown

4%

U.S. & State Hwys17%

State & County Roads

23%

Other Geo-Spatial Data

0 20 40 60 80

Percent of DOTs Reporting

Cadastral

Hydrography

Elevation

Orthoimagery

Geodetic Control

Political Boundaries

Transportation

Geo-Spatial Data Sources

0 20 40 60 80

Percent of DOTs Reporting

Geo-Spatial One Stop

GIS Vendors

Commercial Data

Federal Agencies

Statewide Clearinghouse

State & Local Agencies

Highway Mile Markers

Benefits & Costs of GIS

0 5 10 15 20 25 30

Number of Agencies Responding

Location Based Services

Corridor/System Planning

CAD/GIS Integration

Asset Management

Public Information Portal

Business Systems Int.

Enterprise Data

Greatest Current Benefits Most Difficult to Implement

Greatest Future Benefits

Current GIS Staff Activities

Core FunctionsDevelop web applications (26)

Data warehouse / Enterprise GIS (21)

Base map maintenance / updates (11)

Location referencing (10)

Current GIS Staff Activities

Other ActivitiesSoftware / hardware migration (11)

Business systems integration (11)

GPS data collection / integration (7)

Map Production / Publication (7)

Integrate Imagery data with GIS (6)

Engineering / CAD data integration (5)

Current GIS Applications

Road Inventory Management (12)

Safety / Crash Analysis (11)

Traveler Advisory / Information (8)

Strategic Planning / Needs (7)

ITS / Traffic Management (6)

Realty / ROW Management (6)

Current GIS Applications

Environment / Cultural Mitigation (5)

Asset Management (4)

Truck Routing / Permitting (3)

Emergency Management / Homeland Security (3)

Federal Reporting (3)

Bridge Management (3)

GIS Activities: Summary

Web-based applications continue to be major activity areas.Enterprise data integration expanding to include imagery, CAD, and GPS.Increasing emphasis on integrating business systems, not just data.End user applications growing, but not high priority for GIS core staff.