UCR April 2012-June 2012 (FY 2012, Q3)
PDF Version 358KB
PDF files can be viewed with the Acrobat® Reader®
A Snapshot of Congestion Trends in the U.S. for April 2012 through June 2012.
Congested Hours
Average duration of weekday congestion
+1 minute
from last year
Apr-Jun 2012: 4:23
Apr-Jun 2011: 4:22
Travel Time Index
Peak period travel times vs. off-peak travel times
+1 point
from last year
Apr-Jun 2012: 1.21
Apr-Jun 2011: 1.20
Planning Time Index
Unreliability (variability) of travel
+1 point
from last year
Apr-Jun 2012: 1.47
Apr-Jun 2011: 1.46
Summary of Nationwide Trends
- Congested hours increased slightly (1 minutes longer), and both the travel time index and planning time index worsened slightly (by 1 point). All measures compared the most recent 3 months in 2012 to the same 3 months in 2011.
- 4 of the 19 cities (21%) showed improvements in all three measures.
- 6 of the 19 cities (32%) showed worsening conditions in all three measures.
- 9 of the 19 cities (47%) had stable or mixed results among the three measures.
Congestion and Reliability Trends for Each UCR City
| City | Congested Hours | Travel Time Index | Planning Time Index | % Change in VMT | % Usable Data | |||
|---|---|---|---|---|---|---|---|---|
| 2012 | Change from 2011 | 2012 | Change from 2011 | 2012 | Change from 2011 | |||
| Atlanta, GA | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. |
| Boston, MA | 5:40 | -0:15 | 1.29 | 0 | 1.70 | +1 | -1% | 100% |
| Chicago, IL | 8:23 | +0:19 | 1.32 | -2 | 1.65 | -5 | -3% | 86% |
| Detroit, MI | 2:34 | -0:09 | 1.11 | -1 | 1.33 | -6 | -4% | 100% |
| Houston, TX | 4:06 | +0:49 | 1.30 | +8 | 1.68 | +19 | -2% | 92% |
| Los Angeles, CA | 5:52 | -0:15 | 1.26 | -1 | 1.54 | -1 | 0% | 100% |
| Minneapolis-St. Paul, MN | 4:14 | +0:41 | 1.23 | +5 | 1.52 | +7 | +4% | 99% |
| Oklahoma City, OK | 1:25 | -0:04 | 1.06 | +1 | 1.18 | +2 | +1% | 100% |
| Orange County, CA | 3:22 | -0:03 | 1.19 | +2 | 1.41 | -2 | 0% | 100% |
| Philadelphia, PA | 5:21 | -0:29 | 1.23 | -1 | 1.58 | -5 | +1% | 100% |
| Phoenix, AZ | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. |
| Pittsburgh, PA | 5:50 | -0:52 | 1.23 | -7 | 1.44 | -23 | +5% | 100% |
| Portland, OR | 1:43 | 0:00 | 1.26 | +3 | 1.66 | +1 | -8% | 31% |
| Providence, RI | 2:39 | -0:14 | 1.12 | +1 | 1.33 | +1 | +3% | 100% |
| Riverside – San Bernardino, CA | 2:46 | +0:19 | 1.10 | +1 | 1.25 | +2 | +3% | 100% |
| Sacramento, CA | 1:34 | -0:07 | 1.07 | +1 | 1.20 | +2 | -1% | 100% |
| St. Louis, MO | 3:41 | +0:47 | 1.08 | -1 | 1.23 | -3 | +9% | 95% |
| Salt Lake City, UT | 1:38 | +0:20 | 1.06 | +3 | 1.18 | +6 | +2% | 98% |
| San Antonio, TX | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. |
| San Diego, CA | 2:09 | 0:00 | 1.10 | +1 | 1.27 | +2 | -1% | 100% |
| San Francisco, CA | 3:53 | +1:15 | 1.17 | +5 | 1.39 | +11 | -1% | 100% |
| Seattle, WA | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. | n.a. |
| Tampa, FL | 3:28 | +0:50 | 1.15 | +4 | 1.34 | +8 | -1% | 100% |
Notes:
Green bolded values (with – sign) indicate improving conditions; red italics (with + sign) indicate worsening conditions.
"n.a." indicates that data was not available or was of insufficient quality.
Comparison of 2012 to 2011 is for the same three-month period (April - June).
For more information on the UCR, contact Rich Taylor (Rich.Taylor@dot.gov).
