Traffic Reliability
Planning Time Index by County
Dataset description:
Nonrecurring congestion is measured by the the Planning Time Index (PTI), which is the ratio of the 95th percentile travel time relative to the free-flow (uncongested) travel time. PTI...
Source: Traffic Reliability
Data Dictionary
| Column | Type | Label | Description |
|---|---|---|---|
| year | numeric | Planning Time Index (PTI) year |
|
| county_id | numeric | County 5-digit Federal Information Processing Standard (FIPS) Code identifier |
|
| county_name | text | County name |
|
| time_of_day | text | Time periods (AM = morning, MD = midday, PM = evening, NT = nighttime) |
|
| freeway_pti | numeric | Freeway planning time index |
|
| local_pti | numeric | Local road planning time index |
Additional Information
| Field | Value |
|---|---|
| Metadata last updated | May 7, 2023 |
| Format | CSV |
| License | DVRPC Data License |
| Publication Date | 2023-05-08 |