A Summary ofState DOT GIS Activities

Presented at the

2004 AASHTO GIS-T Symposium

Rapid City, SD

Information Sources

E-mail survey of state DOT GIS managers• All 51 State DOTs (and DC) responded in 2004• First time 100 % response

Results compared with prior year surveys

Two new questions added:• Use of spatial data manager middleware• Questions you would like to see in future

surveys

GIS Deployment in the DOT

10%

8%

33%

49%

Individual Units Single GIS UnitCore GIS Unit & End Users Enterprise GIS

Location of GIS Unit

29%

4%

24%

8%

35%

Planning Information Services Engineering

Multiple Locations No Official GIS Unit

GIS Budgets

0 5 10 15 20 25 30 35

No Report /Unkown

Under $100K

$100K to $499K

$500K to $999K

Over $1 million

2004

2002

2000

1998

1996

GIS Organization: Summary

All but one State DOT have a recognized GIS unit.

Continuing trend to locate GIS core staff in Information Services.

GIS deployment strategies split between core GIS unit and enterprise GIS

GIS budgets in many states impacted somewhat by State fiscal cutbacks.

GIS Core Unit Staffing

0 5 10 15 20 25 30

No Staff / NotReporting

5 or Less

6 to 10

11 to 20

Over 20

2004

2002

2001

1998

1996

GIS End Users

0 5 10 15 20 25

No Report

10 or Less

11 to 99

100 to 499

500 or More

2004

2003

2002

2001

2000

GIS Staff Classifications

0 5 10 15 20 25 30 35

Other

Cartographer

Planner

GIS Professional

Analyst

IS/IT; Programmer

2004

2002

2000

GIS Staff & Users: Summary

Nearly 40% of State DOTs reported decreases in their GIS core staff

Continuing growth in GIS end users in most State DOTs

GIS core staff skills migrating toward IT data management and programming

GIS Software in State DOTs

0 10 20 30 40 50

Caliper

Bentley

Intergraph

ESRI

2004

2002

2000

1998

1996

Current GIS Software Mix

2 Vendors30%

3 Vendors36%

4+ Vendors18%

ESRI14%

Intergraph2%

DBMS Software

0 10 20 30 40

Other

DB2

Sybase

SQL

Access

Oracle

2004

2003

2002

2001

GIS Software: Summary

All State DOTs use Windows for some GIS applications

Some increase in use of UNIX

Increased use of multiple GIS software packages and vendors

DBMS software dominated by Oracle and Access, but strong growth of SQL

Base Map Scales

0 5 10 15 20 25 30

Multiple /Other Scales

1:100K

1:24K

1:10K / 1:12K

1:5K or better

2004

2002

2000

1998

1996

Road Network Coverage

All Public Roads

51%

No Network / Unknown

4%

U.S. & State Hwys14%

State & County Roads

31%

GIS Core Functions

0 10 20 30 40 50

Base Map

LinearReferencing

Enterprise Data

Tech Support /Training

Web Applications

2004

2002

2000

1998

1996

Current GIS Staff Activities

Core FunctionsDevelop web applications (35)

Location referencing (20)

Base map maintenance/ enhancement (19)

Data warehouse/Enterprise GIS (15)

Training (5)

Current GIS Staff Activities

Other ActivitiesSoftware/hardware migration (13)

Integrate Imagery data with GIS (12)

Data standards and partnerships (8)

Develop GIS Tools/User Interface (7)

Develop New Data Layers (4)

Current GIS ApplicationsRoad feature inventory (13)Safety / crash analysis (9)Environmental analysis (8)Truck permitting / routing (7)Asset management (6)

Traffic monitoring / management (6)Road construction projects (5)Planning / project Management (5)Road / weather conditions (4)Homeland security (4)

GIS Activities: Summary

Continued growth in web-based GIS

Substantial base map enhancement and legacy data integration

Broad range of applications covering all aspects of transportation

Increasing use of GIS spatial analysis capabilities in applications