United States. Department of Transportation. Federal Highway Administration. Office of Operations
2023-07-01
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Over the past decade, travel time reliability has emerged as a key concept for assessing and managing the performance of the transportation system. Simply put, travel time reliability describes how personal mobility changes from day-to-day for trips made at the same time. Savvy commuters understand that travel times for their work trips, which tend
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United States. Department of Transportation. Federal Highway Administration. Office of Operations (2023). Analyzing Travel Time Reliability: Data and Analysis Methods (Report No. FHWA-HOP-22-086). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/70451
United States. Department of Transportation. Federal Highway Administration. Office of Operations. Analyzing Travel Time Reliability: Data and Analysis Methods. Report no. FHWA-HOP-22-086. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/70451.
United States. Department of Transportation. Federal Highway Administration. Office of Operations Analyzing Travel Time Reliability: Data and Analysis Methods. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, Report no. FHWA-HOP-22-086, ROSA P. https://rosap.ntl.bts.gov/view/dot/70451.
United States. Department of Transportation. Federal Highway Administration
2023-07-01
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This document provides an overview of the Federal Highway Administration (FHWA) Federal-aid Division State Planning and Research Subpart B (SPR-B) Program. State planning and research (SPR) funds establish a comprehensive framework for making transportation investment decisions and carrying out transportation research activities throughout a State.
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United States. Department of Transportation. Federal Highway Administration (2023). FHWA Federal-Aid Division State Planning and Research Subpart B (SPR-B) Program (Report No. FHWA-HRT-23-050). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/71858
United States. Department of Transportation. Federal Highway Administration. FHWA Federal-Aid Division State Planning and Research Subpart B (SPR-B) Program. Report no. FHWA-HRT-23-050. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/71858.
United States. Department of Transportation. Federal Highway Administration FHWA Federal-Aid Division State Planning and Research Subpart B (SPR-B) Program. United States. Department of Transportation. Federal Highway Administration, 2023, Report no. FHWA-HRT-23-050, ROSA P. https://rosap.ntl.bts.gov/view/dot/71858.
United States. Federal Highway Administration. Office of Bridges and Structures
2023-07-01
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Benefit-cost analysis for bridge preservation, rehabilitation, repair, and protection projects often requires a different approach than that used for other operational improvements. Other operational improvements typically do not affect the day-to-day experience of users of the facility. Rather, the improvements are aimed at reducing ongoing mainte
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United States. Federal Highway Administration. Office of Bridges and Structures (2023). Estimating Benefits for Bridge Protection Improvements (Report No. FHWA-HIF-23-034). United States. Federal Highway Administration. Office of Bridges and Structures. https://rosap.ntl.bts.gov/view/dot/71835
United States. Federal Highway Administration. Office of Bridges and Structures. Estimating Benefits for Bridge Protection Improvements. Report no. FHWA-HIF-23-034. United States. Federal Highway Administration. Office of Bridges and Structures, 2023. https://rosap.ntl.bts.gov/view/dot/71835.
United States. Federal Highway Administration. Office of Bridges and Structures Estimating Benefits for Bridge Protection Improvements. United States. Federal Highway Administration. Office of Bridges and Structures, 2023, Report no. FHWA-HIF-23-034, ROSA P. https://rosap.ntl.bts.gov/view/dot/71835.
United States. Department of Transportation. Federal Highway Administration
2023-07-01
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This research plan details how walking, biking, and other sustainable modes of transportation are critical options in communities throughout the United States, particularly for economically disadvantaged communities. However, fatalities among pedestrians and bicyclists have been increasing even faster than the overall fatalities among all road user
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United States. Department of Transportation. Federal Highway Administration (2023). Federal Highway Administration Vulnerable Road User Research Plan. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/72701
United States. Department of Transportation. Federal Highway Administration. Federal Highway Administration Vulnerable Road User Research Plan. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/72701.
United States. Department of Transportation. Federal Highway Administration Federal Highway Administration Vulnerable Road User Research Plan. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/72701.
This research project explores and evaluates the effectiveness of different static late merge signing for use on arterials. The research team collected data through a laboratory and a field study. The laboratory study assessed the comprehension of the different sign alternatives and determined which sign series to evaluate in the field. The field s
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Katz, B. J., Kissner, E., Filler, E., Jackson, S., Vaughan, C. L., & Cunningham, C. M. (2023). Evaluation of Lane Reduction and Late Merge Signing (Report No. FHWA-HRT-23-070). United States. Federal Highway Administration. Office of Research, Development, and Technology. https://rosap.ntl.bts.gov/view/dot/71855
Katz, Bryan J, Erin Kissner, Erin Filler, Steve Jackson, Christopher L. Vaughan, and Christopher M. Cunningham. Evaluation of Lane Reduction and Late Merge Signing. Report no. FHWA-HRT-23-070. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2023. https://rosap.ntl.bts.gov/view/dot/71855.
Katz, Bryan J, et al. Evaluation of Lane Reduction and Late Merge Signing. United States. Federal Highway Administration. Office of Research, Development, and Technology, 2023, Report no. FHWA-HRT-23-070, ROSA P. https://rosap.ntl.bts.gov/view/dot/71855.
The purpose of this report is to provide an appreciation of the current practices, new methods, emerging technologies, and approaches to improve the active management and operation of a traffic management system (TMS). As agencies plan to implement or explore improving a TMS, they are facing a number of challenges, such as performance, costs for ex
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Kuciemba, S., Jacobson, L., Mizuta, A., & Nguyen, D. (2023). Review of Traffic Management Systems — Current Practice (Report No. FHWA-HRT-23-051). United States. Department of Transportation. Federal Highway Administration. Office of Operations. https://rosap.ntl.bts.gov/view/dot/72446
Kuciemba, Steve, Les Jacobson, Arianne Mizuta, and David Nguyen. Review of Traffic Management Systems — Current Practice. Report no. FHWA-HRT-23-051. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023. https://rosap.ntl.bts.gov/view/dot/72446.
Kuciemba, Steve, et al. Review of Traffic Management Systems — Current Practice. United States. Department of Transportation. Federal Highway Administration. Office of Operations, 2023, Report no. FHWA-HRT-23-051, ROSA P. https://rosap.ntl.bts.gov/view/dot/72446.
United States. Department of Transportation. Federal Highway Administration
2023-07-01
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The sixth round of the Every Day Counts (EDC-6) initiative selected electronic ticketing (e-Ticketing) for rapid deployment among highway agencies to enhance work zone safety, improve quality, and realize cost savings through digitalization. Highway construction projects generate massive amounts of valuable data that historically were communicated
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United States. Department of Transportation. Federal Highway Administration (2023). E-Ticketing Implementation for the Luis A. Ferré Expressway (PR-52) [Application Note] (Report No. FHWA-HIF-24-058). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/80606
United States. Department of Transportation. Federal Highway Administration. E-Ticketing Implementation for the Luis A. Ferré Expressway (PR-52) [Application Note]. Report no. FHWA-HIF-24-058. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/80606.
United States. Department of Transportation. Federal Highway Administration E-Ticketing Implementation for the Luis A. Ferré Expressway (PR-52) [Application Note]. United States. Department of Transportation. Federal Highway Administration, 2023, Report no. FHWA-HIF-24-058, ROSA P. https://rosap.ntl.bts.gov/view/dot/80606.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information
2023-07-01
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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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United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information (2023). Traffic Volume Trends: July 2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. https://rosap.ntl.bts.gov/view/dot/68941
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information. Traffic Volume Trends: July 2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2023. https://rosap.ntl.bts.gov/view/dot/68941.
United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information Traffic Volume Trends: July 2023. United States. Department of Transportation. Federal Highway Administration. Office of Highway Policy Information, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/68941.
This Technical Brief summarizes techniques successfully used by State DOTs and Federal Lands Highway Divisions to implement use of cold asphalt and hot in-place asphalt recycling technologies.
Hand, A. J., & Aschenbrener, T. (2023). Asphalt Pavement Recycling Technologies [Tech Brief] (Report No. FHWA-HIF-23-036). United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements. https://rosap.ntl.bts.gov/view/dot/89857
Hand, Adam J and Tim Aschenbrener. Asphalt Pavement Recycling Technologies [Tech Brief]. Report no. FHWA-HIF-23-036. United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements, 2023. https://rosap.ntl.bts.gov/view/dot/89857.
Hand, Adam J, and Tim Aschenbrener Asphalt Pavement Recycling Technologies [Tech Brief]. United States. Federal Highway Administration. Office of Preconstruction, Construction, and Pavements, 2023, Report no. FHWA-HIF-23-036, ROSA P. https://rosap.ntl.bts.gov/view/dot/89857.
2023-06-30
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FHWA Highway History Website Articles
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The parkway concept, intended for recreational driving, embodied many design concepts that would be integral to expressways, including wide right-of-way, control of access, elimination of grade crossings with other highways, and separated highway lanes that were blended into the contours of the land. Taking the parkway concept a step further, a New
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Weingroff, R. F. (2023). Edward M. Bassett the Man Who Gave us "Freeway". United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/75780
Weingroff, Richard F.. Edward M. Bassett the Man Who Gave us "Freeway". United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/75780.
Weingroff, Richard F. Edward M. Bassett the Man Who Gave us "Freeway". United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/75780.
United States. Department of Transportation. Federal Highway Administration
2023-06-30
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FHWA Highway History Website Articles
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A 1915/1916 map of the stretch of the Pikes Peak Ocean to Ocean Highway from Norton, Kansas to Colby, Kansas.
United States. Department of Transportation. Federal Highway Administration (2023). Norton, Kan., to Colby, Kan. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/76404
United States. Department of Transportation. Federal Highway Administration. Norton, Kan., to Colby, Kan. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/76404.
United States. Department of Transportation. Federal Highway Administration Norton, Kan., to Colby, Kan. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/76404.
2023-06-30
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FHWA Highway History Website Articles
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In announcing an America the Beautiful initiative in January 1965, President Lyndon B. Johnson (D) said: "I want to make sure that the America we see from these major highways is a beautiful America." The cornerstone of the initiative would be the Highway Beautification Act of 1965, which called for control of outdoor advertising, including removal
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Rambler, T. (2023). How the Highway Beautification Act Became a Law. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/75831
Rambler, The. How the Highway Beautification Act Became a Law. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/75831.
Rambler, The How the Highway Beautification Act Became a Law. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/75831.
The story of Elizabeth Peratrovich, a Native American woman from Alaska who championed the first anti-discrimination law passed in the United States. Peratrovich campaigned for this bill in response to Alaskan businesses discriminating against Native American patrons and the law was successfully passed in February 1945 in Alaska.
Weingroff, R. F. (2023). Who Is Elizabeth Peratrovich? The Story Behind the Country's First Anti-Discrimination Law. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/76522
Weingroff, Richard F.. Who Is Elizabeth Peratrovich? The Story Behind the Country's First Anti-Discrimination Law. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/76522.
Weingroff, Richard F. Who Is Elizabeth Peratrovich? The Story Behind the Country's First Anti-Discrimination Law. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/76522.
2023-06-30
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FHWA Highway History Website Articles
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For those motorists planning to travel the Pennsylvania Turnpike this week, have no fear-it is not abandoned. But there is a 13-mile stretch of the Turnpike, with three tunnels and a travel plaza, east of the Breezewood area, that was bypassed in 1968 and dubbed "The Abandoned Pennsylvania Turnpike." To see what led up to the bypassing of this stre
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Longfellow, R. (2023). Back in Time The Abandoned Pennsylvania Turnpike. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/75665
Longfellow, Rickie. Back in Time The Abandoned Pennsylvania Turnpike. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/75665.
Longfellow, Rickie Back in Time The Abandoned Pennsylvania Turnpike. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/75665.
2023-06-30
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FHWA Highway History Website Articles
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One of the universal truths is that road construction is dependent on the materials at hand. At one time or another, almost every material common to an area has been tried by road builders. Roads of sand and clay are an example. Sand-clay road construction was one of the common methods of providing a stable road surface in the early 20th century. T
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Rambler, T. (2023). The Sand-Clay Roads of South Carolina. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/75911
Rambler, The. The Sand-Clay Roads of South Carolina. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/75911.
Rambler, The The Sand-Clay Roads of South Carolina. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/75911.
2023-06-30
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FHWA Highway History Website Articles
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The term Second Battle of New Orleans has also been used to describe the controversy in the 1960's over the Vieux Carré Riverfront Expressway (then I-310). In fact, Richard O. Baumbach, Jr., and William E. Borah described the expressway fight-in which they were active project opponents-in their book, The Second Battle of New Orleans: A History of t
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Weingroff, R. F. (2023). The Battles of New Orleans - Vieux Carré Riverfront Expressway (I-310). United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/75781
Weingroff, Richard F.. The Battles of New Orleans - Vieux Carré Riverfront Expressway (I-310). United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/75781.
Weingroff, Richard F. The Battles of New Orleans - Vieux Carré Riverfront Expressway (I-310). United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/75781.
United States. Department of Transportation. Federal Highway Administration
2023-06-30
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FHWA Highway History Website Articles
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This is 1923 map of the transcontinental trails in the United States showing the best roads, roads distances, and principal cities at the time.
United States. Department of Transportation. Federal Highway Administration (2023). Map of the Transcontinental Trails of the USA, 1923. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/76528
United States. Department of Transportation. Federal Highway Administration. Map of the Transcontinental Trails of the USA, 1923. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/76528.
United States. Department of Transportation. Federal Highway Administration Map of the Transcontinental Trails of the USA, 1923. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/76528.
United States. Department of Transportation. Federal Highway Administration
2023-06-30
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FHWA Highway History Website Articles
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The U.S. numbering plan was developed in the mid-1920's by the Joint Board on Interstate Highways, which included representatives of the U.S. Bureau of Public Roads (now the Federal Highway Administration (FHWA)) and the State highway agencies. The idea was to identify the main interstate roads of the era and give them a number and a distinctive si
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United States. Department of Transportation. Federal Highway Administration (2023). U.S. 231 – Indiana to Florida: How a Highway Grew. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/76524
United States. Department of Transportation. Federal Highway Administration. U.S. 231 – Indiana to Florida: How a Highway Grew. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/76524.
United States. Department of Transportation. Federal Highway Administration U.S. 231 – Indiana to Florida: How a Highway Grew. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/76524.
United States. Department of Transportation. Federal Highway Administration
2023-06-30
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FHWA Highway History Website Articles
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When the Joint Board on Interstate Highways issued its proposal on the U.S. numbered highway system in October 1925, the report identified the main interstate highways that would be included. U.S. 29 was among them, with the route described as: From Gastonia, North Carolina, to Spartanburg, South Carolina, Greenville, Anderson, Hartwell, Georgia, A
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United States. Department of Transportation. Federal Highway Administration (2023). U.S. 29 Maryland to Florida. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/76545
United States. Department of Transportation. Federal Highway Administration. U.S. 29 Maryland to Florida. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/76545.
United States. Department of Transportation. Federal Highway Administration U.S. 29 Maryland to Florida. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/76545.
2023-06-30
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FHWA Highway History Website Articles
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The Rambler has long followed a simple rule: if you have to go outside to write about it, don't write about it. The Rambler violated that rule only once, in June 1989, and this website has decided to blow the whistle on him despite his protests. A junior school class in England had been given the assignment of writing to a celebrity and asking for
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Rambler, T. (2023). The Rambler Takes a Walk Pennsylvania Avenue Washington, DC 1989. United States. Department of Transportation. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/75904
Rambler, The. The Rambler Takes a Walk Pennsylvania Avenue Washington, DC 1989. United States. Department of Transportation. Federal Highway Administration, 2023. https://rosap.ntl.bts.gov/view/dot/75904.
Rambler, The The Rambler Takes a Walk Pennsylvania Avenue Washington, DC 1989. United States. Department of Transportation. Federal Highway Administration, 2023, ROSA P. https://rosap.ntl.bts.gov/view/dot/75904.
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