Graphics:

I-90, Jane Addams Memorial Tollway from I-294 to Elgin Avenue Congestion Scan - 2009, showing average speed by milepost and time of day.  Click on graphic to open congestion scan; click again to improve graphic resolution.

I-90, Jane Addams Memorial Tollway from I-294 to Elgin Avenue Congestion Scan - 2009 (click for pdf version)

I-90, Jane Addams Memorial Tollway from I-294 to Elgin Avenue Congestion Scan - 2007, showing average speed by milepost and time of day.  Click on graphic to open congestion scan; click again to improve graphic resolution.

 

 I-90, Jane Addams Memorial Tollway from I-294 to Elgin Avenue Congestion Scan - 2007 (click for pdf version)

Performance Data:

Non-holiday Tuesdays, Wednesdays, and Thursdays:

East-bound I-90/Jane Addams Memorial Tollway

 

Measure	2007	2008	2009
Free-Flow Travel Time (Minutes)	22.72	22.75	23.41
Average AM Peak-Period Travel Time (Minutes)	29.07	28.38	28.14
AM Travel Time Index	1.28	1.25	1.20
Average PM Peak-Period Travel Time (Minutes)	26.52	26.45	25.63
PM Travel Time Index	1.17	1.16	1.09
AM Peak-Period 95th Percentile Travel Time (Minutes)	37.07	38.23	38.45
AM Peak-Period Planning Time Index	1.63	1.68	1.64
PM Peak-Period 95th Percentile Travel Time (Minutes)	36.03	35.60	31.16
PM Peak-Period Planning Time Index	1.59	1.57	1.33
Congested Hours	4.83	4.07	2.65

 

 West-bound I-90/Jane Addams Memorial Tollway

 

Measure	2007	2008	2009
Free-Flow Travel Time (Minutes)	22.19	22.42	23.60
Average AM Peak-Period Travel Time (Minutes)	23.43	23.81	25.06
AM Travel Time Index	1.06	1.06	1.06
Average PM Peak-Period Travel Time (Minutes)	26.94	28.39	29.19
PM Travel Time Index	1.21	1.27	1.24
AM Peak-Period 95th Percentile Travel Time (Minutes)	24.36	25.49	27.56
AM Peak-Period Planning Time Index	1.10	1.14	1.17
PM Peak-Period 95th Percentile Travel Time (Minutes)	33.88	37.95	38.73
PM Peak-Period Planning Time Index	1.53	1.69	1.64
Congested Hours	1.50	1.85	2.07