Category Archives for "Traffic Studies"

Does the Speed Limit Matter on Residential Roads?

In Minnesota, local residential roads are usually 30 mph by state statute. Several cities and some bicycle/pedestrian advocates are pushing to change the statute and lower the local speed limit to 25 mph. At 25 mph, the roads should be safer for bicyclists and pedestrians. If anyone is unfortunately struck by a car, the chances […]

Findings Preview: Stop Sign Compliance Research

Late last year, we started a research project on evaluating stop sign compliance. Our goal is to hopefully determine clear lines between effective and non-effective stop sign locations. After partnering with multiple cities for this initial round of work, our progress has been slightly slower than hoped. As most people should know, it’s winter in […]

Study Results: Right Turn on Red Percentages

In Minnesota, drivers are allowed to turn right at a signalized intersection when facing a red light after stopping and waiting for a safe gap in traffic (both cars and pedestrians). Other agencies may treat RTOR similarly or have various other laws like always prohibiting RTOR unless signed otherwise. Whatever the case, most drivers know […]

School Traffic Study Service

We had a good 2017 at Spack Consulting in terms of the number of projects and new clients, both records for the company. As we move into 2018 with a great foundation (and a big ‘thank you’ to all our clients – existing, new, and perspective), an important service to highlight is our work on […]

Local Trip Generation Data Proves Best Again

The Institute of Transportation Engineers’ (ITE) Trip Generation Manual suggests that “the user may wish to modify trip generation rates presented in this document to reflect…special characteristics of the site or the surrounding area.” We translate this suggestion as a directive to obtain local data when possible. Regular readers will recognize these statements as we’ve […]

Elements of Effective Travel Demand Management Plans

Travel Demand Management Plans (jargon alert – also shortened to TDMP) is a term that refers to studies performed and strategies implemented in areas to reduce congestion or mitigate other traffic problems. Specifically speaking, the primary goal of the TDMP is to reduce single-occupancy vehicles during rush hours. These plans are often implemented by employers, […]

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