Web Content Display
Graphics:
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 Rd 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 Rd 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 | 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 | 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 |
