Section 106 of the National Historic Preservation Act of 1966 (54 USC §306108) requires that Federal agencies take into account the effects of their undertakings on properties eligible for listing…
Under 23 USC 144, any State that proposes to demolish a historic bridge for a replacement project…shall first make the historic bridge available for donation. Truss bridges are logical choices…
The transportation sector is often identified as a major source of nutrients (nitrogen and phosphorus) to receiving waters. Stormwater runoff from highways and roadways carries many pollutants such as sediment,…
This research will provide information on the sensitivity of ambient air quality to project-level traffic and other key inputs in the traffic, emission and dispersion modeling chain including meteorological inputs.…
BACKGROUND: Public-private partnerships (P3s) are contractual agreements formed between a public agency and a private sector entity that allow for greater private sector participation in the delivery and financing of…
BACKGROUND: Beginning in in the early 1990s, some State Department of Transportations (State DOTs) began to fund additional staff positions at resource agencies to expedite project delivery. After the passage…
Description: It is generally recognized that not all historic truss bridges can be rehabilitated in place or relocated because of structural condition, financial costs, or public interest in preservation in-place.…
The rehabilitation of historic bridges often must accommodate upgrading certain components to modern engineering and safety standards. Railing systems are among the most visually prominent of such components, either through…
Road features have both positive and negative effects on their surroundings. While roads provide transportation for people and goods, there are a significant number of negative ecological impacts that can…
Summary Objective: The objective of this research is to provide guidelines and best practices for practitioners for developing spatial and temporally detailed vehicle fleet and activity estimates for input to…