Tesla Fatal Crash – Proving Computers Are Safer Drivers than Humans

54609245 - milan, italy - march 31, 2016: interior of tesla model s 90d car. tesla motors  is an american company that designs, manufactures, and sells cutting edge electric cars.

  I dealt with an especially tragic fatal crash when I was the city traffic engineer in Maple Grove.  A high school junior and her younger sister were driving to school one morning.  The driver cut in front of a semi-truck at a rural, slightly skewed, side street stop sign controlled intersection.  She survived, but […]

7 Solutions for Curbing Traffic Demand

When Roadway Options Are Not Enough

Guest Post by Bryant Ficek, PE, PTOE, Vice President at Spack Consulting. For many projects, the end result of the traffic engineering work is mitigation in the form of an added turn lane, a new traffic signal, or other types of geometric and traffic control improvements. Basically, you look for ways to safely increase the ability […]

Maximizing Parking Lot Spaces and Profits

Bryant in our office wrote a great post titled How to Right Size Parking and my post on Performance Parking at Carnegie Mellon University got a lot of traction on LinkedIn.  Parking is a small, but important subset of what we work on as traffic engineers. I was excited when the folks at Parking Zone reached […]

3 Tips for Evaluating Intersection Sight Distance

Guest post by Jonah Finkelstein, EIT Spack Consulting Intersection Sight Distance is an important measurement in traffic engineering and comes heavily into play when analyzing access options and modifications for existing and proposed developments. The American Association of State Highway and Transportation Officials (AASHTO) A Policy on Geometric Design of Highways and Streets says, “Specified […]

Guide to Improving Unsignalized Intersections

More than 70% of fatal crashes from 2010 to 2012 in the United States occurred at or near unsignalized intersections.  The majority of these intersections are operated by local agencies without a traffic engineer on staff. The National Cooperative Highway Research Program put together Project 03-104 Unsignalized Intersection Guide to assist these agencies in analyzing […]

Do Curve Warning Signs Actually Make Roads Safer?

A surprising number of signs, pavement markings, and other traffic control devices have been designed and implemented on a hunch in an attempt to improve roadway safety.  Many of them have never been rigorously studied to determine if they do indeed enhance roadway safety. About ten years ago we worked on a research project with […]

After the Recommendations: What to Do When an Issue Needs Fixing Now

Guest post by Bryant Ficek, PE, PTOE, Vice President of Spack Consulting You could break down every traffic study into a very generic process: Data Collection – which could include traffic counts or other things like gathering previous study documents Analysis – use the data to identify issues and often evaluate different scenarios Recommendations – […]

Complete Streets Report: Safer Streets, Stronger Economies

Guest post by Jonah Finkelstein, EIT Spack Consulting As discussed in last month’s Complete Streets article, The National Complete Streets Coalition, a program of Smart Growth America, is a leading organization at the forefront of the complete street discussion. While navigating their Complete Streets: A to Z page, I fell upon a report they published […]