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I-74 Fact Sheet
Detailed specs, history and notes on Interstate 74 compiled by Jason Hancock.
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Corridor Study: Bicycle & Pedestrian Accommodations
The I-74 project team, in coordination with the Project Steering Committee, is considering the possibility of providing a new exclusive bike/pedestrian crossing over the Mississippi River in conjunction with the I-74 project. Options under consideration include converting one existing bridge to an exclusive bike/pedestrian crossing, constructing a physically separated crossing along the new I-74 Mississippi River bridge, or not providing any new bike/pedestrian crossings at this location.
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Corridor Study: Continued Use Options
The I-74 project team, in coordination with the Project Steering Committee, is evaluating options for the existing Mississippi River bridges.
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Corridor Study: Downtown Bettendorf Concept 2
Map of Downtown Bettendorf Concept 2.
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Corridor Study: Downtown Bettendorf Concept 1
Map of Downtown Bettendorf Concept 1.
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Corridor Study: Downtown Moline Concept 2
Map of Downtown Moline Concept 2.
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Corridor Study: Downtown Moline Concept 2
Map of Downtown Moline Concept 2.
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Corridor Study: Downtown Moline Concept 1
Map of Downtown Moline Concept 1.
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Corridor Study: Far North Segment
Map of Far North Segment Alternative II.
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Corridor Study: Near North Alternative II
Map of Near North Alternative II.
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Corridor Study: Near North Alternative I
Map of Near North Alternative I.
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Corridor Study: Central Segment Alignment F2
Map of Central Segment Alternative Alignment F2.
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Corridor Study: Central Segment Alignment F1
Map of Central Segment Alternative Alignment F1.
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Corridor Study: Central Segment Alignment E
Map of Central Segment Alternative Alignment E.
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Corridor Study: South Segment
Map of South Segment Alternative I.
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Corridor Study: Description of Proposed Alternatives
The I-74 project team has continued to refine and evaluate the concept alternatives for improving I-74 through the Quad Cities, and has developed the following Proposed Alternatives.
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Speed Limits
Explains how speed limits are derived.
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Access Management Handbook
Covers methods for control of driveways and intersections to maintain safety at a roadway's full traffic carrying capacity.
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Ramp Metering Status in North America
Covers traffic signals on freeway entrance ramps that supply traffic to the freeway in a measured or regulated amount.
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A Toolbox for Alleviating Traffic Congestion
Simplified discussion of the options available for reducing traffic congestion and improving mobility.
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Regional Traffic Incident Management Programs, Implementation Guide
"How to" manual helps transportation professionals in the technical details of implementing Intelligent Transportion Systems (ITS). Details methods for proper accident management.
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Comparing The Efficiency of Alternative Policies for Reducing Congestion
Compares the efficiency of various toll methods at reducing congestion. Discusses latent traffic demand problem.
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Modeling Traffic's Flow-Density Relation
Illustrates the methodology and value of latent traffic-regime segmentation and driver-class identification for purposes of modeling traffic flows.
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Curbing Gridlock: Peak-Period Fees to Relieve Traffic Congestion -- Special
Reveals how tolls charged during rush hours change driver behavior to take pressure off congested roadways. Also discusses the bain of traffic engineers: latent traffic.
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Standardizing Electronic Toll Collection
The ability to perform nonstop automatic toll collection, without the addition of costly toll booths, makes congestion pricing considerably easier, less costly, and more user-friendly to implement.
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How to "Build Our Way Out of Congestion"
The combination of innovative highway redesign, separation of types of traffic, toll financing, variable pricing, and electronic toll collection will allow us to offer drivers real alternatives to gridlocked freeways. Using these methods in combination, we CAN build our way out of congestion.
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The Market for Private Toll Projects in the United States
Engineering, construction, and development firms identified as key success factors for private tollway projects (1) local political support, (2) minimal environmental problems, and (3) state enabling legislation.
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