Preliminary Traffic Assessment

By Mike Spack, PE, PTOE Every development goes through an approval process prior to being green-lighted for construction. The traffic portion of that process can range from a full-scale traffic study plus a Travel Demand Management Plan to a simple tech memo discussing the amount of traffic that will be generated by the development. Equally […]

ITE Constitution: Considerations for Change

By Mike Spack, PE, PTOE The Institute of Transportation Engineers (ITE) leadership is proposing significant changes to the ITE Constitution.  The three areas of significant change are: Eliminate the “Institute Affiliate” membership grade while shifting the “Institute Member” grade from transportation engineers to transportation professionals. Shift the international board elections from spring/summer to winter with […]

Expert Witness Do’s and Don’ts

By Mike Spack, PE, PTOE Tort law in Minnesota regarding the installation of medians to limit traffic movements at driveways has been in place and tested since the 1960s.  It is very clear that road authorities have the right to place medians on roads to limit access to cross streets or driveways so long as […]

Reduced Conflict Intersections in Action

Mike Spack, PE, PTOE Thanks to Denny Eyler, from SRF Consulting, for the following comments related to our Reduced Conflict Intersections post. Denny has significant experience with these types of intersections and we had a good email exchange over them. I think you’ll find his thoughts helpful and think they are worth a post instead […]

Traffic Signal Warrant Primer

By Bryant Ficek, PE, PTOE The best place to start when talking about traffic signal warrants is to understand the definition of a warrant itself. According to the Manual on Uniform Traffic Control Devices (MUTCD), a warrant is a threshold condition based upon average or normal conditions that, if found to be satisfied as part […]

Traffic Presentations at Public Hearings

By Mike Spack, PE, PTOE Traffic is often a scapegoat used by neighbors at public hearings to try to kill a proposed development project.  It is a favorite tactic used by those opposed to new Walmart stores (at least the couple of dozen public hearings I have attended for my Walmart traffic studies). We see this […]

Roundabout Capacity Guidelines

By Bryant Ficek, PE, PTOE At a recent Traffic Corner Tuesday webinar, Are Roundabouts a Silver Bullet to Traffic Issues?, we discussed roundabouts including pros and cons, situations that more inclined toward their use, and characteristics that may lend itself toward signal or other type of control. Through that discussion, a key question arose about […]

Mini Roundabout Benefits

By Vern Swing, PE The entire team at Spack Consulting are proponents of roudabouts, and we have written extensively on the topic. But as roundabouts take hold in the US, more design ideas are coming forward on their application to improve traffic flow and improved pedestrian safety. This includes the use of mini roundabouts, which […]