A Summary ofState DOT GIS Activities

Presented at the

2003 AASHTO GIS-T Symposium

Colorado Springs, CO

Information Sources

E-mail survey of state DOT GIS managers• 43 State DOTs (and DC) responded in 2003• 2002 surveys used for non-responding states

Results compared with prior year surveys

New question added:• Road database distribution policy

Stage of Development

0 5 10 15 20 25 30 35 40

No GIS Activity

PreliminaryPlanning

Pilot/Demonstration

EarlyImplementation

Fully Operational

2003

2001

1999

1997

GIS Deployment in the DOT

12%

10%

33%

45%

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

Location of GIS Unit

33%

4%2%

21%

4%

36%

Planning Information Services Engineering

Mapping/Survey Multiple Locations No Official GIS Unit

GIS Budgets

0 5 10 15 20 25 30 35

No Report /Unkown

Under $100K

$100K to $500K

$500K to $1million

Over $1 million

2003

2001

1999

1997

GIS Organization: Summary

Nearly all DOTs have initiated GIS activity.

Over 90% have a recognized GIS unit

Recent trend to locate GIS core staff in Information Services.Decentralization of GIS applications to end users throughout the agency

Significant number of enterprise GIS efforts

Increased budgets for GIS activities

GIS Staff Size

0 5 10 15 20 25 30

No Staff / NotReporting

5 or Less

6 to 10

11 to 20

Over 20

2003

2001

1999

1997

GIS Staff Classifications

0 5 10 15 20 25 30

Other

Engineer

Cartographer

Planner

GIS Professional

IS/IT; Programmer

2003

2002

2001

2000

GIS End Users

0 5 10 15 20 25 30

No Report

10 or Less

11 to 99

100+

2003

2002

2001

2000

GIS Staff & Users: Summary

GIS core staff has stayed relatively constant in sizeRapid growth in GIS use throughout the DOTDecentralization of GIS applications among end-usersCore staff activities focus on database maintenance and integration, support and training for end users.

Operating Systems

0 5 10 15 20 25 30 35

UNIX/LINUX Only

UNIX & MSWindows

MS WindowsOnly

2003

2001

1999

1997

GIS Software in State DOTs

0 10 20 30 40 50

OTHER

Caliper

Bentley

Intergraph

ESRI

2003

2001

1998

1996

Current GIS Software Mix

2 Vendors24%

3 Vendors44%

4+ Vendors14%

ESRI16%

Intergraph2%

DBMS Software

0 10 20 30 40

Other

Sybase

SQL

Access

Oracle

GIS Software: Summary

Continued migration toward Windows operating system.

Some growth in DOTs using both OS

Use of multiple GIS software packages and vendors

Increased market penetration for most major software packages

Major growth in desktop end user, and web-based software

Base Map Scales

0 5 10 15 20 25 30

No Report

Multiple /Other Scales

1:100K

1:24K

1:12K or Better

2003

2001

1999

1997

Road Network Coverage

All Public Roads

48%

No Network / Unknown

8%

U.S. & State Hwys24%

State & County Roads

20%

GIS Core Functions

0 10 20 30 40 50

Base Map

LinearReferencing

Enterprise Data

Tech Support /Training

Web Applications

2003

2001

1999

1997

Current GIS Staff Activities

Core FunctionsWeb application development (18)

Attribute data integration (12)

Base map enhancement (11)

LRS development (6)

Other ActivitiesVideolog/Photolog integration (8)

Migration to new DBMS (6)

Data sharing and coordination (5)

Migration to new GIS platform (5)

Current GIS ApplicationsRoad feature inventory (10)Highway asset management (7)Safety management / crash analysis (6)Highway project locations (6)Traffic incident monitoring (5)

Road conditions / weather (5)State highway map / atlas (4)Road construction / detours (4)Truck permitting / routing (4)Environmental impact analysis (3)

GIS Activities: Summary

Significant growth in web-based GIS

Continued emphasis on base map enhancement and attribute data

Broad range of applications identified:Asset management and inventory

Visualization of features and events

Few complex spatial analysis applications