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Simulation Analysis Estimates Fuel Savings of Up to 12.3 Percent Using Long-Horizon Predictive Cruise Control in Truck Platooning.

Methodology For a single truck configuration, researchers used a simulation model consisting of one vehicle model, a speed tracker, a speed profile, and road-grade data for the selected route. In a…
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Date Posted
10/29/2021

Simulation Study of Texas' Roadways Estimates that CAVs Can Save More Than 2,400 Lives Each Year by the Time 90 Percent Market Penetration is Reached.

Methodology A static four-step model was created using a generalized-cost function of travel time, monetary costs (like parking charges and tolls), and fuel costs. Three mode choices of driving and…
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Date Posted
05/27/2021

Texas study estimates that CAVs could have a $27,000 net benefit per vehicle with a 90 percent market penetration.

A research team from the University of Texas at Austin Center for Transportation Research set out to analyze the future impacts of CAVs across Texas. The benefits from CAV were calculated on a per…
Content type
Date Posted
06/05/2018

More than half of the respondents to a Texas-wide survey indicated $0 willingness-to-pay for self-driving technology (Level 3 or Level 4); however, comparatively fewer (only around 38 percent) indicated $0 willingness-to-pay to add connectivity.

Findings Among single-function (Level 1) and combined function (Level 2) automation technologies: Traffic sign recognition is the least appealing (52.5 percent of respondents reported $0 WTP),…
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Date Posted
05/14/2018

End-of-Queue Warning system installed along I-35 in Texas estimated to have reduced crashes by 44 percent, resulting in $1.36 million in reduced crash costs (over a one year period).

Content references source material no longer available at its original location.
Safety Analysis Methodology The analysis used the "with-EOQ" and "without-EOQ" lane closure nights as "treatment" and "control" group datasets, and compared crashes occurring during both sets of…
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Date Posted
07/31/2017
Taxonomy (ARC-IT) Queue Warning (VS08)

Sequential Dynamic Curve Warning System reduces the number of vehicles exceeding the speed limit by 10 mph or more by 27.8 percent

Methodology12 treatment sites and 24 control sites in Iowa, Missouri, Texas, Washington, and Wisconsin were studied. The system was installed at each site during the summer of 2012. The installed…
Content type
Date Posted
02/09/2016

Dynamic Speed Feedback Signs on Curves cuts number of single-vehicle crashes nearly in half.

Methodology The 7 participating states (Arizona, Florida, Iowa, Ohio, Oregon, Texas, and Washington) found 51 viable sites with an existing speeding problem. Signs were installed at 22 treatment…
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Date Posted
12/07/2015