Getting More by Working Together — Opportunities for Linking Planning and Operations
Exhibit 4: Typical Differences in Survey and Intelligent Transportation Systems (ITS) Data
Description:
This exhibit shows a comparison between using traditional survey data sources and using ITS data sources in five areas: timeframe, resource, sample, reliability, and storage. The differences are listed below:
|
Traditional Survey Data Sources |
ITS Data Sources |
| Timeframe |
Infrequent |
Continuous |
| Resource |
Labor intensive; individual efforts |
Automated; collected for operations |
| Sample |
Specific time period; broad coverage |
All time periods; specific coverage |
| Reliability |
High reliability; errors apparent during inspection |
Reliability checks required; errors easily missed |
| Storage |
Small storage requirements |
Large storage requirements |
Back to Section 2.2 |
