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US 41 Lake Shore Drive (Roosevelt Road to Marquette Drive)

Graphics

US 41, Lake Shore Drive from Roosevelt Road to Marquette Drive Congestion Scan - 2011, showing average speed by milepost by time of day. Click on graphic to open congestion scan.

US 41, Lake Shore Drive from Roosevelt Road to Marquette Drive Congestion Scan - 2011 (click for pdf version)

US 41, Lake Shore Drive from Roosevelt Road to Marquette Drive Congestion Scan - 2009, showing average speed by milepost by time of day. Click on graphic to open congestion scan; click again to improve graphic resolution.

US 41, Lake Shore Drive from Roosevelt Road to Marquette Drive Congestion Scan - 2009 (click for pdf version)

US 41, Lake Shore Drive from Roosevelt Road to Marquette Drive 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.

US 41, Lake Shore Drive from Roosevelt Road to Marquette Drive Congestion Scan - 2007 (click for pdf version)

Performance Data

Non-holiday Tuesdays, Wednesdays, and Thursdays:

Note: Typical Lake Shore Drive speed limits are 40-45 mph; lower in certain locations

South-bound US 41/Lake Shore Drive

Measure 2007 2008 2009 2010 2011
Free-Flow Travel Time
(Minutes)
7.91 9.17 8.09 8.06 8.02
Average AM Peak-Period
Travel Time (Minutes)
8.22 9.54 8.59 9.64 8.70
AM Travel Time Index 1.04 1.04 1.06 1.07 1.08
Average PM Peak-Period
Travel Time (Minutes)
10.72 11.70 9.85 9.53 9.67
PM Travel Time Index

1.35

1.28

1.22

1.18 1.20
AM Peak-Period
95th Percentile Travel Time
(Minutes)

9.06

10.49

9.58

9.57 9.68

AM Peak-Period
Planning Time Index

1.15

1.14

1.18

1.19 1.21
PM Peak-Period
95th Percentile Travel Time
(Minutes)

13.75

15.37

12.39

11.22 11.84
PM Peak-Period
Planning Time Index

1.74

1.68

1.53

1.39 1.48
Congested Hours

3.76

3.66

12.09

13.66 10.18

 

North-bound US 41/Lake Shore Drive

Measure

2007

2008

2009

2010 2011
Free-Flow Travel Time
(Minutes)

7.79

9.03

7.95

7.95 8.02
Average AM Peak-Period
Travel Time (Minutes)

11.77

11.27

9.47

9.63 10.04
AM Travel Time Index

1.51

1.25

1.19

1.21 1.25
Average PM Peak-Period
Travel Time (Minutes)

8.67

9.91

9.59

10.56 10.09
PM Travel Time Index

1.11

1.10

1.21

1.33 1.26
AM Peak-Period
95th Percentile Travel Time
(Minutes)

23.87

18.32

14.32

13.25 14.19

AM Peak-Period
Planning Time Index

3.06

2.03

1.80

1.67 1.77
PM Peak-Period
95th Percentile Travel Time
(Minutes)

9.16

10.91

12.85

16.63 14.12
PM Peak-Period
Planning Time Index

1.18

1.21

1.62

2.09 1.76
Congested Hours

3.80

3.07

7.37

5.78 8.58
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