The purpose of the Exit Glacier Area summer transportation feasibility study for Kenai Fjords National Park (KEFJ) is to understand the current transportation conditions at the Exit Glacier Area and evaluate the feasibility of a range of potential actions to improve transportation conditions. This study is not a plan and will not result in a decisi
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United States. Federal Highway Administration. Office of Planning, Environment, and Realty
2019-10-03
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This digest shares the latest information from a range of Federal and non-Federal sources, addressing transportation and its relationship to the human environment. Through this information exchange, FHWA hopes to foster dialogue at all levels and continue to further the state of the practice on these important topics in support of safety; infrastru
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United States. Federal Highway Administration. Office of Bridges and Structures
2019-10-03
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PDF
This Technical Brief provides programmatic and technical considerations for evaluating and mitigating abutment scour at bridges with shallow foundations. The information supersedes certain materials on shallow foundations in two FHWA Hydraulic Engineering Circulars (HECs) “Evaluating Scour at Bridges” (HEC-18) and “Bridge Scour and Stream Instabili
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Automation is transforming mobility. Its integration across our transportation system has the power to enhance the mobility and independence of millions of Americans, especially older Americans and people with disabilities. Cooperative Driving Automation (CDA) supports and enables automated vehicles to cooperate through communication between vehicl
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The New Jersey Department of Transportation (NJDOT) is interested in adopting eConstruction practices such as electronic approvals and signatures, electronic document management, and electronic collection of inspection information via mobile devices. To learn from other State departments of transportation (DOTs), NJDOT invited one representative ea
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2019-10-01
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Effective communication among a State department of transportation, the Federal Highway Administration (FHWA), the Federal Railroad Administration (FRA), and railroad partners can be a win-win solution for safety at highwayrail crossings. Nevada Department of Transportation (NDOT) and Louisiana Department of Transportation and Development have take
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Travelers depend on the U.S. transportation system every day to meet commitments for work and friends and family, acquire/deliver goods and services, and respond to emergencies. If the system operates as expected and enables travel within a predictable amount of time, we can rely on it. When it doesn’t, we can’t. This lack of reliability affects ou
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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2019-10-01
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Traffic Volume Trends is a monthly report based on hourly traffic count data reported by the States. These data are collected at approximately 5,000 continuous traffic counting locations nationwide and are used to estimate the percent change in traffic for the current month compared with the same month in the previous year. Estimates are re-adjuste
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This document is intended to be a comprehensive guide to the use of two-dimensional hydraulic modeling for highways in the river environment. With the help of this document, hydraulic engineers can become proficient in the application of 2D models for transportation projects. This document was funded through the Every Day Counts: CHANGE initiative
Unmanned aerial systems (UAS) have become increasingly popular on construction sites. In fact, UAS utilization has flourished in nearly all areas of engineering and construction. At the same time, both the affordability and capabilities of small UAS have dramatically increased. Many transportation agencies and contractors have begun to implement UA
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Universities play a critical role in preparing future professionals to address transportation challenges and build the knowledge and skills needed on their first day of employment. The FHWA Bicycle and Pedestrian Transportation University Course provides foundational knowledge and skills to prepare future transportation professionals to understand
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The Utah Department of Transportation (UDOT) benefits from an institutionalized partnering culture to advance innovations. The agency is implementing a new approach to construction contract documents that it calls digital delivery of Model-Based Design and Construction (MBDC). UDOT’s digital delivery initiative includes the use of three-dimensional
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2019-10-01
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PDF
Incorrect driver behavior is the number one reason for railway crossing collisions. According to the Federal Railroad Administration (FRA), an annual average of 1,790 collisions and 222 fatalities occurred at public railway-highway crossings from 2009-2018. Education is an effective way to help reduce these numbers and ensure drivers, pedestrians,
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This report documents a safety analysis needs assessment for Transportation Systems Management and Operations (TSMO). It includes the following key content: syntheses of strategy-specific safety performance knowledge and capabilities (Chapter 2), a synthesis of research on interrelationships between measures of traffic operational performance and s
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The capabilities of unmanned aerial systems (UAS) have improved exponentially over the past few years due to advances in the technology; lower prices, which have made UAS more widely available; and greater overall awareness of the technology, which has opened UAS to new uses. This progress has resulted in user-friendly equipment that can fly autono
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2019-10-01
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PDF
When Colorado Department of Transportation (CDOT) learned the State had triggered the High Risk Rural Roads (HRRR) Special Rule (SR) in 2017, the agency identified an innovative way to obligate its HRRR funds. In 2017, CDOT, Chaffee County, and the Federal Highway Administration (FHWA) Central Federal Lands Highway Division (CFLHD) joined forces wi
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United States. Department of Transportation. Federal Highway Administration. Office of Safety
2019-10-01
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PDF
Leading Pedestrian Intervals (LPIs) are low-cost adjustments to signal timing to increase pedestrian safety at signalized intersections. An LPI gives pedestrians a typical 3- to 7-second head start before vehicles in the parallel direction are given the green signal indication. LPIs can help reduce conflicts between pedestrians and left- or right-
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United States. Department of Transportation. Federal Highway Administration. Office of Operations
2019-10-01
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PDF
The Federal Highway Administration's (FHWA's) Road Weather Management Program (RWMP) seeks to better understand the effects of weather on roads and promotes strategies to mitigate safety and mobility impacts. For more than 10 years, the RWMP has periodically evaluated its effectiveness in improving the transportation system's performance during adv
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The Highway Safety Improvement Program (HSIP) 2018 National Summary Report compiles and summarizes aggregate information related to the States’ progress in implementing HSIP projects. Progress in implementing HSIP projects is described based on the amount of HSIP funds available and the number and general listing of projects obligated during the 20
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