Categories, Study Levels, and Memo vs Report Requirements Across Jurisdictions Traffic Impact Assessments (TIAs) are a core component of development review, but requirements vary significantly by jurisdiction. While thresholds like “100 peak hour trips” are commonly cited, agencies such as TxDOT, FDOT, municipalities in New York, and the City of Toronto apply different criteria based […]
The ITE Trip Generation Manual 12th Edition provides both fitted curve equations and average trip rates for estimating trip generation. However, not all datasets are equally reliable. In many cases, there is either limited data points, or no equation provided. When preparing traffic impact studies for such land uses, engineers and planners must decide: Should
In the world of traffic engineering and transportation planning, few resources are as widely recognized (and as frustratingly hard to access) as the ITE Trip Generation Manual. With the release of the 12th Edition, transportation professionals are eager to see what’s new, but also wondering how to actually access it without paying hundreds of dollars.
Transportation planning and traffic engineering are rapidly evolving — from traditional road design to smart mobility, AI-driven analytics, and sustainable transport. Yet behind all this progress, there’s one global organization quietly connecting professionals, setting standards, and advancing the field: the Institute of Transportation Engineers (ITE). Whether you’re a student, engineer, planner, or researcher, understanding ITE
Traffic Impact Assessments (TIAs) are critical tools that help municipalities understand how new developments will affect local transportation networks. These TIA guidelines provide a practical framework for preparing and reviewing TIAs in municipalities that do not yet have their own standards. The intent is to balance technical credibility with simplicity, ensuring municipalities can review studies
Estimating ridership is the single most important early exercise in mass transit planning. A realistic ridership estimate tells you whether a scheme is worth designing, what level of service you should provide, and whether further investment in full demand modelling is warranted. This guide explains how to estimate ridership using both simple, defensible methods and
If you already work with trip generation, you know the headline challenge in many Traffic Impact Studies (TIS/TIA): not all site trips are “new” to the network. Some are simply siphoned from vehicles already passing by. Getting this right can change turn lane warrants, signal timing, and mitigation costs. This guide is a practitioner’s deep-dive
Planning a new residential, commercial, or mixed-use development? One of the most critical steps in understanding its impact on surrounding roads and infrastructure is estimating how many vehicle trips it will generate. Whether you’re preparing a Traffic Impact Study (TIS), Traffic Impact Assessment (TIA), or just doing a preliminary feasibility analysis, getting your trip generation
🚦 What Is a Traffic Impact Assessment? A Traffic Impact Assessment (TIA) — also known in some regions as a Traffic Impact Study (TIS) — is a formal analysis that evaluates how a proposed development or land use change will affect the existing transportation network. It helps local governments determine whether a project will: TIAs
Whether you’re designing a residential complex, commercial plaza, or a mixed-use development, one of the most critical factors in your site planning process is determining how much parking is required. Miscalculating parking provisions can lead to overcrowded streets, underutilized lots, or regulatory issues with planning authorities. In this guide, we explain how to calculate parking
