Web Content Display

I-88 (I-294 to Mitchell Road)

Graphics

I-88, Reagan Memorial Tollway from I-294 to I-294 Congestion Scan - 2009, showing average speed by milepost by time of day. Click on graphic to open congestion scan.

I-88, Reagan Memorial Tollway from I-294 to I-294 Congestion Scan - 2009 (click for pdf version)

I-88, Reagan Memorial Tollway from I-294 to I-294 Congestion Scan - 2007, showing average speed by milepost by time of day. Click on graphic to open congestion scan; click again to improve graphic resolution.

I-88, Reagan Memorial Tollway from I-294 to I-294 Congestion Scan - 2007 (click for pdf version)

Performance Data

Non-holiday Tuesdays, Wednesdays, and Thursdays:

East-bound I-88/Reagan Memorial Tollway

Measure 2007 2008 2009
Free-Flow Travel Time
(Minutes)
21.20 21.02 23.32
Average AM Peak-Period
Travel Time (Minutes)
25.35 23.21 26.92
AM Travel Time Index 1.20 1.10 1.15
Average PM Peak-Period
Travel Time (Minutes)
24.20 23.37 25.65
PM Travel Time Index

1.14

1.11

1.10

AM Peak-Period
95th Percentile Travel Time
(Minutes)

29.77

26.07

31.83

AM Peak-Period
Planning Time Index

1.40

1.24

1.36

PM Peak-Period
95th Percentile Travel Time
(Minutes)

29.12

28.68

29.87

PM Peak-Period
Planning Time Index

1.37

1.36

1.28

Congested Hours

3.15

3.22

9.04

 

West-bound I-88/Reagan Memorial Tollway

Measure

2007

2008

2009

Free-Flow Travel Time
(Minutes)

20.65

20.92

22.78

Average AM Peak-Period
Travel Time (Minutes)

23.12

23.63

24.32

AM Travel Time Index

1.12

1.13

1.07

Average PM Peak-Period
Travel Time (Minutes)

28.52

28.57

27.45

PM Travel Time Index

1.38

1.37

1.21

AM Peak-Period
95th Percentile Travel Time
(Minutes)

26.19

25.76

25.82

AM Peak-Period
Planning Time Index

1.27

1.23

1.13

PM Peak-Period
95th Percentile Travel Time
(Minutes)

38.53

39.14

36.55

PM Peak-Period
Planning Time Index

1.87

1.87

1.60

Congested Hours

3.12

4.44

2.01

Web Content Display

Questions or comments? Contact Tom Murtha.

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