Trip Generation Review: Schools

By Max Moreland Working with school officials and City officials on school operations is a key component of the Spack Enterprise purpose: Improve Transportation Globally. What better way to improve transportation than to make sure kids safely get to and from their places of education? The start and end of the school day in particular […]

Transportation Impact Study Guidelines

Part 1 – Getting on the Same Page

When planning starts on a new or re-development project, the Traffic Impact Studies (TIS) assesses the impact on the surrounding network. A comprehensive ‘before’ and ‘after’ of traffic operations is the goal to determine if and when mitigation is needed. For many traffic engineers, the TIS is a key component of their work. This work […]

Traffic Impact Study Process – Part 7: Determine Necessary Improvements

Mike Spack and Bryant Ficek have literally written a book about Traffic Impact Studies and the process from authorization to final study. We present the information we wish we had when starting our careers and hopefully have tips and refreshers that even experienced traffic engineers will find useful. This series presents the basic steps of […]

Virtual Speed Humps: Effective or Ineffective Traffic Calming Tool?

Mike Spack, PE, PTOE Recently, I was contacted by the New York Times Upfront magazine, to comment on a 3D speed hump being used in Iceland. (Click to view the article). The question was, are painted virtual speed humps effective? The goal of speed humps is to help calm traffic, making it safer for pedestrians. […]

Cities Take on Heat Island Effect with Cooling Technology

By Hailey Pederson, EIT With temperatures rising around the globe, many public agencies are looking for ways to lower the dreaded “heat island effect” that often plagues major cities. Heat Islands are defined as areas in which there is a significant temperature differentiation between the neighboring urban and rural areas. That difference can be as […]

Maximum Volumes for Roundabouts

By Bryant Ficek, PE, PTOE Our various initiatives across Spack Enterprise have given us a wide customer base and contacts across the world. We often receive questions or comments from our clients or readers and are happy to provide a quick thought or comment. Here’s a recent one we received: “Is there a maximum traffic […]

Bicycle Trail Roundabout

By Jonah Finkelstein, EIT The benefits of roundabouts have been an extensively written on topic here at MikeOnTraffic. While completing research for the various roundabout topics, we also discovered an interesting application of roundabouts outside of common practice – the bicycle trail roundabout. This roundabout is exactly what the name indicates, a miniature roundabout utilized […]

Diverging Diamond Interchange Primer

By Mike Spack, PE, PTOE Motorists drive through the Diverging Diamond Interchanges (DDI) on the left side of the road, which converts all turns into reduced conflict curbside turns.  Curbside left turns result in more capacity and better safety performance at locations with heavy traffic compared to traditional diamond interchanges.  This post provides background, benefits, […]

Designing for All Modes of Travel

By Mike Spack, PE, PTOE I attended a North Central Section of the Institute of Transportation Engineers section meeting in 2009.  It was a panel discussion on “Complete Streets.”  The general idea is to balance service to private vehicles, transit users, bicycles, and pedestrians through the design of our transportation systems. Traditionally, vehicles have been […]