TRB

Removing curbs, lane markings, and signage to create a better street

By Bill Holloway In an effort to create a safer, more inviting environment for walkers and bicyclists, the City of Chicago is beginning construction on its first “shared street” project. The idea behind shared streets, also known as woonerfs or living streets, is to erase the boundaries

Researchers explore links between speed and safety

By Chris McCahill As states experiment with increasing and lowering speed limits on rural highways, questions still remain as to what effects those changes might have on safety. At this year’s annual meeting of the Transportation Research Board, researchers trying to answer some of those

Adoption of autonomous vehicles: Addressing the details

By Mary Ebeling Although the mass media has been quick to tout the practicalities of switching to autonomous vehicles, many complexities are also apparent. As SSTI and others have noted, a transition to autonomous vehicles may be closer than we think. However, at the recent TRB meeting the number

New study provides insight into the permanence of changing driving trends

By Chris Spahr A look at national rates of vehicle miles traveled documented by FHWA travel-volume reports shows that U.S. VMT per capita peaked in 2004. It is also commonly understood that while VMT and GDP have been closely related during most of the twentieth century, VMT stopped tracking GDP

Right-size parking calculator showcased at TRB annual meeting

By Chris McCahill How much parking is just the right amount? Developers and policymakers have mulled over this question for decades. Formulas are often passed along from town to town, or estimates are pulled from the Institute of Transportation Engineers’ Parking Generation report, now in its

INVEST workshops to be offered at TRB 2014

SSTI is working with FHWA to provide assistance to DOTs and other transportation agencies on INVEST, a voluntary, web-based tool and collection of best sustainability practices. Attendees of the 2014 TRB annual meeting are invited to participate in brown bag sessions that will introduce INVEST

Development of Tools for Assessing Wider Economic Benefits of Transportation (TRB, 2013)

The Strategic Highway Research Program II funded the development of tools to help assess the wider economic benefits of transportation projects. The goal of this project was to develop a bridge between (A) the case study form of analysis provided by the Transportation Project Impact Case Studies

Travel Time Reliability 2030: Innovations and Strategies for Today and Tomorrow (TRB, 2013)

Projects from the second Strategic Highway Research Program (SHRP 2) are exploring innovations and possible trends that can shape the future of travel time reliability. This brief provides an overview of two of those projects. Evaluating Alternative Operations Strategies to Improve Travel Time

The challenge of communicating bicycle comfort level on maps

By Robbie Webber Although some bicyclists are willing to ride on any road and under any conditions to get to their destination, the vast majority do not feel comfortable mixing with higher speed traffic and watching out for turning cars. A 2012 Mineta Transportation Institute study examined the

Climate Change and Transportation: Summary of Key Information (TRB, 2012)

This report is a summary of key findings covers a variety of studies on climate change and its ramifications for the transportation sector. It provides a concise summary of transportation’s contributions to climate change and mitigation policy levers. It also discusses various state DOTs’