The Chicago region traffic congestion scans were created by averaging five minute speed data obtained from freeway loop detectors, radar, and mobile technology data. The traffic scans display average speed on a freeway corridor as a function of time of day (the x-axis) and location (the y-axis) along a freeway corridor.
I-290 Eisenhower Extension (I-90/Jane Addams Tollway to I-294)
Feb 13, 2014
I-290 Eisenhower Extension (I-90/Jane Addams Tollway to I-294) Congestion and Crash Scans
Congestion Scans
I-290 Eisenhower Extension, I-90/Jane Addams Tollway to I-294, Congestion Scan, 2009. Showing average speed by milepost by time of day.
I-290 Eisenhower Extension, I-90/Jane Addams Tollway to I-294, Congestion Scan, 2007.Showing average speed by milepost by time of day.
Crash Scan
I-290 Eisenhower Extension, I-90/Jane Addams Tollway to I-294 Crash Scan. 2008-12. Showing number of crash rates per 100 million vehicle miles traveled.
Performance Data
Non-holiday Tuesdays, Wednesdays, and Thursdays:
East-bound I-290 Extension
Measure | 2007 | 2008 | 2009 |
---|---|---|---|
Free-Flow Travel Time (Minutes) |
15.63 | 15.75 | 15.55 |
Average AM Peak-Period Travel Time (Minutes) |
20.91 | 19.74 | 19.65 |
AM Travel Time Index | 1.34 | 1.25 | 1.26 |
Average PM Peak-Period Travel Time (Minutes |
28.64 | 27.58 | 26.56 |
PM Travel Time Index |
1.83 |
1.75 |
1.71 |
AM Peak-Period 95th Percentile Travel Time |
29.50 |
24.90 |
29.52 |
AM Peak-Perid |
1.89 |
1.58 |
1.90 |
PM Peak-Period 95th Percentile Travel Time |
48.74 |
49.98 |
47.31 |
PM Peak-Period Planning Time Index |
3.12 |
3.11 |
3.04 |
Congested Hours |
8.06 |
9.29 |
5.72 |
West-bound I-290 Extension
Measure |
2007 |
2008 |
2009 |
---|---|---|---|
Free-Flow Travel Time (Minutes) |
15.57 |
15.68 |
15.52 |
Average AM Peak-Period Travel Time (Minutes) |
20.42 |
19.29 |
18.47 |
AM Travel Time Index |
1.31 |
1.23 |
1.19 |
Average PM Peak-Period Travel Time (Minutes |
21.31 |
22.96 |
21.18 |
PM Travel Time Index |
1.37 |
1.46 |
1.36 |
AM Peak-Period 95th Percentile Travel Time |
25.78 |
23.66 |
23.41 |
AM Peak-Perid |
1.66 |
1.51 |
1.51 |
PM Peak-Period 95th Percentile Travel Time |
31.01 |
37.83 |
32.65 |
PM Peak-Period Planning Time Index |
1.99 |
2.41 |
2.10 |
Congested Hours |
9.98 |
9.74 |
5.98 |
About the Data
Data provided by IDOT, Illinois Tollway, and HERE.
Feb 13, 2014
I-290 Eisenhower Extension (I-90/Jane Addams Tollway to I-294) Congestion and Crash Scans
The Chicago region traffic congestion scans were created by averaging five minute speed data obtained from freeway loop detectors, radar, and mobile technology data. The traffic scans display average speed on a freeway corridor as a function of time of day (the x-axis) and location (the y-axis) along a freeway corridor.
Congestion Scans
I-290 Eisenhower Extension, I-90/Jane Addams Tollway to I-294, Congestion Scan, 2009. Showing average speed by milepost by time of day.
I-290 Eisenhower Extension, I-90/Jane Addams Tollway to I-294, Congestion Scan, 2007.Showing average speed by milepost by time of day.
Crash Scan
I-290 Eisenhower Extension, I-90/Jane Addams Tollway to I-294 Crash Scan. 2008-12. Showing number of crash rates per 100 million vehicle miles traveled.
Performance Data
Non-holiday Tuesdays, Wednesdays, and Thursdays:
East-bound I-290 Extension
Measure | 2007 | 2008 | 2009 |
---|---|---|---|
Free-Flow Travel Time (Minutes) |
15.63 | 15.75 | 15.55 |
Average AM Peak-Period Travel Time (Minutes) |
20.91 | 19.74 | 19.65 |
AM Travel Time Index | 1.34 | 1.25 | 1.26 |
Average PM Peak-Period Travel Time (Minutes |
28.64 | 27.58 | 26.56 |
PM Travel Time Index |
1.83 |
1.75 |
1.71 |
AM Peak-Period 95th Percentile Travel Time |
29.50 |
24.90 |
29.52 |
AM Peak-Perid |
1.89 |
1.58 |
1.90 |
PM Peak-Period 95th Percentile Travel Time |
48.74 |
49.98 |
47.31 |
PM Peak-Period Planning Time Index |
3.12 |
3.11 |
3.04 |
Congested Hours |
8.06 |
9.29 |
5.72 |
West-bound I-290 Extension
Measure |
2007 |
2008 |
2009 |
---|---|---|---|
Free-Flow Travel Time (Minutes) |
15.57 |
15.68 |
15.52 |
Average AM Peak-Period Travel Time (Minutes) |
20.42 |
19.29 |
18.47 |
AM Travel Time Index |
1.31 |
1.23 |
1.19 |
Average PM Peak-Period Travel Time (Minutes |
21.31 |
22.96 |
21.18 |
PM Travel Time Index |
1.37 |
1.46 |
1.36 |
AM Peak-Period 95th Percentile Travel Time |
25.78 |
23.66 |
23.41 |
AM Peak-Perid |
1.66 |
1.51 |
1.51 |
PM Peak-Period 95th Percentile Travel Time |
31.01 |
37.83 |
32.65 |
PM Peak-Period Planning Time Index |
1.99 |
2.41 |
2.10 |
Congested Hours |
9.98 |
9.74 |
5.98 |
About the Data
Data provided by IDOT, Illinois Tollway, and HERE.