Research Type: Topical Discussion

NEPA Process – Purpose and Need Training Development, Phase 1 (Topical Discussion)

BACKGROUND Under the National Environmental Policy Act (NEPA), the Purpose and Need statement sets the foundation for evaluating alternatives, supporting decision-making, and justifying public investment in transportation projects. When done well, it focuses analysis, supports environmental streamlining, and reduces legal risk. However, experience levels vary widely among state department of transportation (DOT) staff, and existing … Read more

Highly Modified Asphalt Mixtures

WTRC plans and convenes subject matter expert (SME) topical discussions on issues of high interest to its members. These online sessions feature presentations and Q&A panels that include experienced agency practitioners, leading researchers, and industry experts. During online sessions held February 2 and February 4, 2026, SME presenters shared challenges, successes and best practices related … Read more

Using UAS to Augment Existing Noxious Weed Treatment Workflows

WTRC plans and convenes subject matter expert (SME) topical discussions on issues of high interest to its members. These online sessions feature presentations and Q&A panels that include experienced agency practitioners, leading researchers, and industry experts. WTRC is planning online sessions for fall of 2026 where SME presenters will share challenges, successes and best practices … Read more