1 Iowa Highway 58 Corridor Improvement Study Public Informational Meeting May 6, 2014
2 Welcome and Introductions Randy Lorenzen, City of Cedar Falls Engineer
3 Outline of Presentation Review of Project Purpose and Need Recap of Previous Public Meeting Description of Alternatives Project development process and schedule
4 IA 58 Project Corridor
5 Purpose and Need of Project Increase safety for vehicles, pedestrians and bicyclists Improve the flow of traffic Provide capacity to accommodate future traffic growth
6 Traffic Volumes on IA 58
7 Traffic Growth on IA 58 IA 58 Traffic, North of Viking Road 30000 25000 20000 15000 Daily Traffic Volume 10000 5000 0 2001 2005 2009 2013
8 Traffic Growth on Viking Road Viking Road Traffic, East of IA 58 25000 20000 15000 10000 Daily Traffic Volume 5000 0 2001 2005 2009 2013
9 Future Traffic Projected for IA 58 50000 45000 40000 35000 30000 25000 20000 15000 10000 5000 0 IA 58 Traffic, North of Viking Road Approx. maximum capacity of existing road 2001 2005 2009 2013 2040 Daily Traffic Volume
10 Traffic Safety
11 Traffic Crashes on IA 58 (2008-2012) Between Ridgeway Ave and Greenhill Rd 168 crashes reported 35 injuries 2 fatalities (both at Viking Road) (several additional fatalities occurred in prior years) Viking Road intersection is ranked No. 13 in statewide list of Intersection Safety Improvement candidates Viking Road intersection is ranked No. 4 in statewide list of Intersection Safety Improvement candidates
12 Summary of Crashes at Viking Road / IA 58 77 total crashes 2 fatalities 12 injuries 23 other possible injuries 33 left-turn violations 22 rear-end collisions 7 broadside collisions 15 other types
13 Recap of Previous Public Information Meeting
14 Meeting Held October 15, 2013 Around 50 people in attendance 19 Alternatives Shown 2 alternatives at Greenhill Road 4 alternatives at Viking Road 4 alternatives at Performance Drive 9 alternatives at U.S. 20/Ridgeway
15 Meeting Held October 15, 2013 Comments Received Many commented on need to keep Ridgeway Avenue connected to Iowa 58 Many commented on problems at Nordic Drive/ Viking Road intersection Many commented on problems at Nordic Drive/ Ridgeway Avenue intersection Several indicated support for proceeding with project as soon as possible, due to increasing safety and traffic problems Some expressed concern about limited access
16 Meeting Held October 15, 2013 Since October 15. Continued evaluation of alternatives Engineering Factors Environmental Factors Public Comments Reduced Alternatives to Two at Each Location Options without Ridgeway connection removed Options with traffic operations problems removed
17 Greenhill Road Alternatives
Greenhill Road Loop Ramp Alternative
Greenhill Road Interchange Loop Ramp Alternative Typical Interchange Layout Similar to Highway 20 at Hudson Road No Impact to Detention Basin in Southwest Corner Two Signalized Ramp Intersections Graphic Shows Iowa 58 Over Greenhill Final decision on over/under orientation has not been made Iowa 58 over Greenhill does not impact recreational trail tunnel Additional Lane Construction Required on Greenhill Road Right turn lanes for on-ramps Longer left turn lane for on-ramps No Buildings Impacted Right-of-Way needed from some property owners
Greenhill Road Single Point Alternative
21 Greenhill Road Single Point Interchange Operation
22 Greenhill Road Single Point Interchange Operation Phase 1 Left Turns From Ramps
23 Greenhill Road Single Point Interchange Operation Phase 2 Left Turn From Mainline
24 Greenhill Road Single Point Interchange Operation Phase 3 Greenhill Thru Traffic
Greenhill Road Interchange Single Point Interchange Alternative Modern Interchange Layout Many in Rochester, MN area One in Des Moines (at I-35/Mills Civic Parkway) Minimizes impact to adjacent properties Minimizes Construction on Greenhill Road Only need to add right-turn acceleration lane for northbound right turns One Signalized Ramp Intersection Graphic Shows Iowa 58 Over Greenhill Final decision on over/under orientation has not been made Iowa 58 over Greenhill does not impact recreational trail tunnel No Buildings Impacted Minor impacts to detention basin Right-of-Way needed from some property owners
26 Viking Road Alternatives
Viking Road Tight Diamond Alternative
Viking Road Interchange Tight Diamond Alternative Typical Interchange Layout Similar to University Avenue at Iowa 58 Mainline Lanes Shifted 15 East Double Left Turn Lanes Onto Highway Ramps Signalized Ramp Intersections Graphic Shows Iowa 58 Over Viking Final decision on over/under orientation has not been made Additional Improvements at Nordic Drive and Andrea Drive Signals and turn lanes at Nordic Drive Additional turn lanes at Andrea Drive No Buildings Impacted Right-of-Way needed from some property owners
Viking Road Single Point Alternative
Viking Road Interchange Single Point Interchange Alternative Modern Interchange Layout Many in Rochester, MN area One in Des Moines (at I-35/Mills Civic Parkway) Minimizes impact to adjacent properties Reduces Construction on Viking Road Mainline Lanes Shifted 15 East One Signalized Ramp Intersection Graphic Shows Iowa 58 Over Viking Final decision on over/under orientation has not been made Additional Improvements at Nordic Drive and Andrea Drive Signals and turn lanes at Nordic Drive Additional turn lanes at Andrea Drive No Buildings Impacted Right-of-Way needed from some property owners
31 U.S. 20/Ridgeway Avenue Alternatives
U.S. 20/Ridgeway 32 System Interchange Alternative
U.S. 20 Interchange System Interchange Alternative Direct Connection of Movements Between Highway 58 and 20 Requires significant bridge construction Requires significant earthwork fill Maintains Connections to Ridgeway Avenue and Butterfield Road Access to John Deere, KwikStar, Camping World essentially the same Alignments Shifted to Minimize Impact to Current Developments Impact to cell-phone tower to be reviewed Right-of-Way needed from some property owners Minimal Construction on Ridgeway Avenue Reconstruction of some turn lanes Minimal Construction on Butterfield Road Three ramp intersections reused
U.S. 20/Ridgeway Existing Layout Modifications Alternative
U.S. 20/Ridgeway Existing Layout Modifications Alternative
U.S. 20 Interchange Existing Layout Modifications Alternative Add Southbound Right Turn Lane to Ridgeway Avenue Intersection Add Double-Left Turn Lanes to Iowa 58 at Ridgeway Avenue Existing box culverts will be extended or replaced Add Double-Left Turn Lane Southbound Iowa 58 to Eastbound U.S. 20 Requires Two-Lane Ramp to Eastbound U.S. 20 Intersection would be signalized No Buildings Impacted Right-of-Way needed from some property owners City of Cedar Falls welcome sign will need relocation Intersection Operation Improved With Construction, But Will Not Handle Projected Future Traffic Volumes Will experience delays and long queues
37 Example of Diverging Diamond Interchange
38 Recreational Trails
Recreational Trails South of Viking Road Recreational Trail Graphic
Recreational Trails North of Viking Road Recreational Trail Graphic
Recreational Trail Information Proposed and Planned Trails Will Relocate Trail Away From Viking Road Interchange Still allows access to industrial park and commercial area Two Routes to Connect Between U.S. 20 and Mayors Bridge West connection along Chancellor Drive to Prairie Lakes Trails East connection behind Target and Walmart Pedestrian Crossing of Ramp Intersections at Viking Road Trail Crossing of Ramp Intersections at Greenhill Road
42 What s Next?
43 Project Development Process Project development steps Environmental Assessment Determine Preferred Alternative Design Right-of-Way Acquisition Construction Project will be built in several stages Viking Road area is first priority First construction project may start in 2017 Schedule depends on funding and approvals
44 Tentative Project Schedule Collect Data Develop and Analyze Alternatives Public Informational Meeting #1 Final Evaluation of Alternatives Public Informational Meeting #2 Prepare Environmental Assessment Public Hearing Environmental Clearance Final Design, Right-of-Way Acquisition and Construction* 2013 2014 Future Current Status * NOTE: Schedules for design, right-of-way acquisition and construction depend on funding availability and approvals
45 Comments and Feedback Please provide all written comments by May 20, 2014
46 Questions and Discussion