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Home My WebLink AboutFirst Ave Public Meeting - Handout.pdfLane Reconfiguration Annual Average Daily Traffic MPOJC MPOJC Roadway Segment MPOJC Model 2010 MPOJC Model 2040 Mall Dr to Lower Muscatine Rd 13,000 14,300 Lower Muscatine Rd to US Hwy 6 11,000 12,800 Increases Sight Distance y Crash History --- 2011-2015 Mall Drive to Lower Muscatine Road 58 Crashes Injuries Reduces Conflict Points Injuries 1 Major 5 Minor 14 Possible/Unknown $242,400 in Property Damage Reported 10 FTYROW Left Turn 7 FTYROW Driveway Source: FHWA Road Diet Information Guide 7 FTYROW Driveway Proposed Improvements Lane reconfiguration proposed from Mall Drive to Lower Muscatine Road 11’ wide Through Lanes 12’wide Continuous Two-Way-Left-Turn Lane Following too close Failing to yield the right of way 12 wide Continuous Two Way Left Turn Lane Dedicated Bike Lanes Traffic Signal Improvements Coordinated signal timing Protected/permissive left-turn phasing Sideswipe Level of Service (LOS) Definition: Quality measure describing operational traffic conditions, in LOS A to LOS F LOS A = Best Operating Conditions (free-flow) LOS F = Worst Operating Conditions (congested) LOS C and LOS D Considered acceptable operating service for design and planning terms of speed, travel time, freedom to maneuver, traffic interruptions, comfort, and convenience. Intersection Current Traffic 4-Lane Current Traffic 3-Lane Future Traffic 4-Lane Future Traffic 3-Lane Mall Drive A / 4.8 s B / 10.5 s A / 4.8 s B / 10.7 s Lower B/1 32s C/2 55s B/1 42s C/2 78sMuscatine Rd B / 13.2 s C / 25.5 s B / 14.2 s C / 27.8 s US Hwy 6 B / 11.5 s C / 31.5 s B / 12.6 s D / 31.6 s •Average LOS based on calculated delay at all legs of the intersection during the AM Peak Hour. •Intersection delay reported in average seconds per vehicle. i C ffi C ffi ffi ffiIntersectionCurrent Traffic 4-Lane Current Traffic 3-Lane Future Traffic 4-Lane Future Traffic 3-Lane Mall Dr A / 7.5 s B / 17.4 s B / 10.6 s B / 19 s Lower Muscatine Rd B / 14.4 s C / 25.8 s C / 20 s C / 26.8 s US Hwy 6 B/1 03s C/3 24s C/2 86s C/2 85s Travel Time Increase US Hwy 6 B / 10.3 s C / 32.4 s C / 28.6 s C / 28.5 s •Average LOS based on calculated delay at all legs of the intersection during the PM Peak Hour. •Intersection delay reported in average seconds per vehicle. of approximately 15 seconds over the entire corridor Contact Information: Scott Sovers, City of Iowa City ~ scott-sovers@iowa-city.org Brenna Fall, Snyder & Associates, Inc. ~ bfall@snyder-associates.com