Prototype Data Archive for an Intelligent Transportation System

ADUS Compliant

Archived Data User Services (ADUS)

ADUS standards for ITS-generated data – travel monitoring data being the first of these forms

Travel monitoring data are the most common type of ITS-generated data currently available

They have the widest range of use in post-hoc applications.

Typical Data Format (per lane)

Time Speed

6:05:17 57

6:20:17 58

6:35:17 57

6:50:17 55

7:05:17 56

7:20:17 55

Volume Occupancy

784 6

994 8

1216 10

1499 13

1422 12

1521 14

Current Data Flow Diagram

Current Archiving Method

Traffic

Opera

tions

Softwa

re

Planne

rsRe

search

ers,

and De

cision

Maker

s

Traffic

Simula

tionSof

tware

DataValidation

DataCleaning

Data

Wareh

ouse

FieldSensor

Data

Field sensor datais collected and

stored in the DataWarehouse.

Cleaning andarchiving and

distribution aretaken care of with

middlewareprograms and

XML.

Real TimeTransit

Data

CCTV

Oper-ations

Inci-dents

Proposed Data Archiving and Mining Method

Data collection – ASCII TEXT Data validation – Java Data cleaning – Java Storage – MYSQL Graphics program for charts & graphs Can be used in a GIS

Output Customer Focus

Clear reports for planners i.e.:

– Volumes– Network level effects of incidents