CITY OF PERRY, IOWA
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First Street/HWY 144 4 to 3 Lane Reconfiguration

Project Description 

  • Hwy 144 North and South of Willis is currently a 4-lane undivided roadway
  • Proposed to be changed to a 3-lane section to match section around Willis
    • One lane in each direction with a center turn lane
  • 2016 Volumes Range from 5,000-9,000 Vehicles per Day
Picture

Project History

  • Iowa DOT completed “Statewide Screening for Potential Lane Reconfiguration” report in 2017
    • Several roads throughout the state identified as potential for 3-Lane
      • Highway 144 recommended for lane conversion based on vehicle volume and crash history
      • 3-lanes recommended for consideration by IDOT when volumes are less than 16,000 vehicles/day and crash rate greater than state avg.
      • Perry's crash rate is 3 times the state average. 
  • Grant Funding secured to repave & restripe Hwy 144
    • Council voted in 2018  to support the grant application

Success in Perry

  • Success with other 3-lane restriping projects in Perry
    • Hwy 144 from Willis to Bateman Restriped in 2016
    • Before project this section had 20 crashes in 3-years
      • With 7 injury crashes, including one fatal
    • After project this section had 6 crashes in 3-years
      • With no injury crashes
  • Perry has seen a 70% reduction in accidents 

Why This Project?

  • Concerns from Residents
    • Speeding 
    • Safety/Crash Concerns
      • N. of Rawson St
      • 23 crashes in since 2012
        • 98% of crashes: rear-end, broadside, angle
        • 20% are injury related
  • Limited Sight Distance when pulling out from side streets
    • Lucinda
    • Park
  • From 2013-2017 the First Street Corridor had 71 Crashes totaling $332,060 in Personal Property Damage. 

3-Lane Benefits

  • Improved Vehicle Safety 
  • Improved Pedestrian Safety
  • Traffic Calming
    • Reasonable driver sets the speed instead of the unreasonable driver
  • Improved Emergency Response Time

Reduced Number of Conflict Points 

Picture
The main issue is that the left (inside) lane is shared by higher–speed through traffic and left–turning vehicles. Road Diets reduce the number of vehicle–to–vehicle conflict points that contribute to rear–end, left–turn, and sideswipe crashes.

Improved Sight Distance

Picture

Safer Street Crossings

Picture

Safer Pedestrian Crossings 

Picture
Before
Picture
After: "Crossing only one lane of traffic at a time reduces the risk of crashes and serious injuries" - AARP

Possible Disadvantages 

  • Potential increased delay at unsignalized access points
  • Reduced passing opportunities
    • Aggressive Drivers
    • Slow Moving Vehicles
  • Possible Increased Travel time
  • Learning curve of new layout and initial confusion with change.

​Additional Information

AARP- Road Diet Fact Sheet
File Size: 268 kb
File Type: pdf
Download File

FHA Fact Sheet
File Size: 754 kb
File Type: pdf
Download File

Iowa DOT- Road Diet Presentation
File Size: 2698 kb
File Type: pdf
Download File

Iowa DOT 4-3 Lane Conversion Website

City of Perry, Iowa- 'Make Yourself At Home!' | 1102 Willis Avenue P.O. Box 545, Perry, IA 50220 | (515) 465-2481
  • Government
    • Agendas & Minutes
    • Mayor & Council
    • Administration >
      • City Administrator
      • Finance Officer >
        • Human Resources
      • City Clerk
    • Employment Opportunities
    • Departments >
      • Cemetery
      • Garbage & Recycling
      • Library
      • Parks, Recreation & Culture
      • Perry Water Works
      • Perry Municipal Airport
      • Planning & Zoning
      • Fire Department
      • Police Department
      • Perry Community Camera Program
      • Public Works
      • Waste Water
    • Boards & Commissions >
      • Airport Commission
      • Historic Preservation
      • Library Board
      • Parks & Recreation
      • Planning & Zoning
      • Tree Board
      • Zoning Board of Adjustment
    • Code of Ordinances
    • Contacts & Staff Directory
    • Website Disclaimer
  • Resident Info
    • City Newsletters
    • Public Service Announcements
    • Snow Ordinances
    • Fireworks
    • COVID-19 Coronaviris Information
    • Waste Water Treatment Plant Project
    • Pet Registration
    • Garbage & Recycling
    • Yard Waste
    • Property Maintenance
    • Rental Property Code Enforcement
    • Community Calendar
    • Contacts & Staff Directory
    • Links of Interest
    • Maps
    • Media/ News
  • Chamber of Commerce
    • 2022 Perry Iowa Community Guide + Member Directory
    • About Us >
      • Contact Us
      • Member Benefits
      • New Member Application
      • Member Login
    • Member Directory
    • Map of Businesses
    • Job Postings
    • Events >
      • Calendar
      • BRR
      • Chocolate Walk
      • Big Boom Bracket Battle
      • Farmers Market
      • July 4th Celebration
      • Weather
  • Business & Development
    • Community Development >
      • Tax Abatement
      • Zoning/Building Permit Application
      • Solar Resources
      • Residential Development
      • Sustainability
      • Planning & Zoning
    • Incentives
    • Sites and Buildings
    • Greater Dallas County Development Alliance
    • Perry Economic Development, Inc.
    • Business Resources
    • Plans & Studies >
      • Comprehensive Plan 2030
      • Housing Studies
      • Iowa Living Roadways- Community Visioning
  • Culture & Recreation
    • McCreary Center >
      • Programs
    • Camping
    • Public Parks
    • Dog Park
    • Trails
    • Carnegie Library Museum
    • Hometown Heritage
    • Forest Park Museum
  • I Want To . . .