It’s National Roundabouts Week, and at Sain, we have plenty of reasons to celebrate. Roundabouts have become an important part of our transportation work, helping communities address safety concerns, improve traffic flow, and navigate challenging intersection conditions. Around the office, you’ll often hear us shorten roundabout to “RAB.” Because we couldn’t let the week pass…
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Local governments across Alabama are continually working to make their transportation systems safer, more efficient, and better prepared for growth. Often, the challenge is finding the funding needed to move an important project from an idea to implementation. The Alabama Transportation Rehabilitation and Improvement Program-II, or ATRIP-II, can help bridge that gap. ATRIP-II provides local…
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The Mobile River Bridge project represents one of Alabama’s most transformative infrastructure investments, designed to improve mobility, safety, and long-term regional connectivity along the I-10 corridor. Why the Mobile River Bridge Matters For decades, the Wallace Tunnel has served as a critical, but constrained, connection through Mobile. The new Mobile River Bridge will introduce an…
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National Safety Month, recognized each June by the National Safety Council (NSC), serves as an important reminder that safety is not something we should think about only after a crash or close call. Safety is something we must intentionally plan for, design for, and continuously improve until we reach our goal of zero. In transportation,…
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When you drive on the interstate, you may not think twice about the entrance and exit ramps, overpasses, or flyovers that guide your route. However, behind every one of these features is a carefully engineered interchange – a vital structure that connects roadways, keeps traffic flowing, and promotes safety. Interchange design is a critical part…
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Turbo roundabouts are an innovative intersection design developed in the Netherlands in the late 1990s. Unlike traditional multi-lane roundabouts, where vehicles can change between lanes within the roundabout, turbo roundabouts use raised lane dividers and lane markings to guide vehicles into specific paths before entering the roundabout. This eliminates lane changing within the roundabout itself,…
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The Regional Planning Commission of Greater Birmingham (RPCGB) has successfully completed its Safe Streets and Roads for All (SS4A) Safety Action Plan (SAP). Sain Associates assisted the RPCGB with the SAP’s development through collaborative efforts with local stakeholders and public involvement. The primary goal of the SAP is to enhance transportation safety across the six-county…
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The Transportation Alternatives Program (TAP) is a federal initiative that provides funding to municipalities for projects aimed at enhancing non-motorized transportation, improving pedestrian and bicycle infrastructure, and promoting safe routes to schools. As of 2025, there have been several updates and considerations for municipalities seeking TAP funding in Alabama. Application Process Applications must be submitted…
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Within the past year, the State of Alabama has been transitioning from CUBE Voyager to TransCAD. These Travel Demand Model (TDM) software packages are typically used for statewide models and large urban areas with Metropolitan Planning Organizations (MPOs). MPOs and states typically develop Long Range Transportation Plans (LRTP) with these software packages; Sain has experience…
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At Sain Associates, we continually work with municipalities and local agencies to implement transportation safety initiatives, programs, and strategies. While prioritizing safety is not a challenge, navigating the appropriate regulations and terminology can be. Today’s blog dives into some of the most common acronyms and newer initiatives you might hear related to the new Bipartisan…
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