Have you ever wondered what keeps a car from sliding off the road when you go around a curve? Or, have you ever noticed that it’s unnecessary to reduce speed for safety or comfort purposes when driving through a curve, even at high speed? The reason is superelevation. Superelevation is the banking of the roadway…
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Before a new development can be built, the local government will often require a traffic impact study (TIS) to be performed. But what exactly goes into a TIS? The purpose of a TIS – also called a traffic impact analysis (TIA) – is to assess the expected traffic impacts to the roadway network surrounding a…
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In last week’s blog, we looked at several factors that may be contributing to an increase in fatality rates per miles driven since the COVID-19 pandemic began. It’s important to think about what we can do to reduce the risk of death or serious injury in road crashes. How can safety professionals address the “new…
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For several months, the COVID-19 pandemic has upended everyday routines and greatly impacted our health and economy. Typically, as economic activity declines, travel decreases, and the risk of being involved in a road collision also decreases. However, recent data from the National Safety Council (NSC) shows otherwise – emptier but riskier roads. Preliminary estimates from…
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COVID-19 has significantly impacted daily life around the world. Many people are teleworking, schools are adopting distance learning in greater numbers, and more entertainment and retail activity are occurring online than ever before. These lifestyle adjustments have led to travel behavioral changes that allow planners to reclaim underutilized roadway lanes for other purposes, such as…
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Office employees are working from home, schools are closed, and large gatherings with friends and family are discouraged per social distancing recommendations. As we stay at home, we are reminded of how our community interactions have changed with COVID-19. Several reports and maps display how we are practicing social distancing; those numbers and colors illustrate…
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The Greater Birmingham Regional Planning Commission hosted the Federal Highway Administration’s Designing Streets for Pedestrian and Bicyclist Safety Workshop on February 20th and 21st. I had the opportunity to attend as a representative of Sain Associates, along with other consultants and individuals from local municipalities and organizations. The two-day workshop was centered on bicycle and…
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We have written previously about our work associated with the I-59/20 bridge replacement project in downtown Birmingham. If you live or work in the area, you already know that the interstate bridges are back open! Jeff Stephenson and I had the opportunity to attend the ribbon-cutting ceremony on Friday, January 17, and on the following Sunday, the bridges were…
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Construction Engineering & Inspection (CE&I) is a critical component of every engineering project. The City of Prattville selected Sain to provide CE&I services for two Industrial Access Road projects last year – one for a 1.2-mile industrial road and one for 0.6-mile spur road off of the primary industrial road in Prattville South Industrial Park….
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According to the “Hands Free Tennessee” campaign, there were 24,600 crashes involving a distracted driver in Tennessee in 2018. A recent study also revealed that from 2015 to 2017, Tennessee had the highest rate of distracted driving deaths in the nation, at 7.2 distracted driving deaths per 10 billion vehicle miles. Tennessee’s rate is nearly five times higher than the national…
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