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FHWA Home / Safety / Roadway Departure / Pavement Friction / FAQs, Links, and Other Resources

FAQs, Links, and Other Resources

General Pavement Friction Resources


Fact Sheets

Pavement Friction Fact Sheet

This fact sheet gives a brief introduction to the importance of pavement friction and its effect on safety.

Enhanced Delineation and Friction for Horizontal Curves

This fact sheet introduces several horizontal curve treatments for reducing crashes, including improving pavement friction.

Guidance

FHWA's Pavement Friction Management Technical Advisory

This technical advisory (T5040.38) issues guidance to State and local highway agencies in management of pavement surface friction on roadways.

FHWA's Guidance Memorandum on Promoting the Implementation of Proven Safety Countermeasures (2012)

This guidance provides a revised list of research-proven countermeasures that supersedes the 2008 guidance.

NCHPR Web-Only Document 108: Guide for Pavement Friction

This comprehensive guideline focuses on techniques for monitoring friction and crashes and determining the need for remedial action, as well as identifying combinations of aggregate (micro-texture) and mix types/surface texturing methods (macro-texture) that satisfy friction design requirements.

NCHRP Synthesis 291: Evaluation of Pavement Friction Characteristics

This report describes practices for evaluating pavement friction characteristics through a synthesis of practices from the U.S., Canadian, and international transportation agencies.

High Friction Surface Treatment (HFST) Resources


Frequently Asked Questions

ATSSA HFST FAQs

The American Traffic Safety Services Association (ATSSA) has developed a number of videos with experts answering questions about HFST.

High Friction Surface Treatment 101

These FAQs provide a list of basic questions and answers about HFST and is located on the High Friction Roads website.

FHWA High Friction Surface Treatment FAQs

These FAQs cover questions related to HFST safety, maintenance and operations, cost, environmental impacts, site conditions, material specifications/durability, lessons learned, and installation.

Specifications

ATSSA State HFST Specifications

These specifications are maintained by the American Traffic Safety Services Association (ATSSA).

Standard Specifications for Transportation Materials and Methods of Sampling and Testing, 35th Edition and AASHTO Provisional Standards, 2015 Edition

These specifications include AASHTO Provisional High Friction Surfaces Standard Specifications.

Northeast Pavement Preservation Specifications

States in the Northeast Pavement Preservation Partnership (NEPPP) have made available their pavement preservation specifications arranged within folders of treatment categories. These folders contain one or more files containing the actual specifications for each treatment. (The first two characters of each file name indicate the state.)

Other Resources

HFST Curve Selection and Installation Guide

This guide provides a procedure for selecting candidate curves for high friction surface treatment. It also covers HFST aggregates, binders, installation methods, cost, life cycle, and funding.

HFST Video: Overview (6:04)

This video provides a brief overview of the benefits on HFST and its technology, including application process, as well as some examples of where the tool has been used.

HFST Video: Full Video (20:55)

This video provides an extended overview of the benefits on HFST and its technology, including application process, as well as some examples of where the tool has been used.

PennDOT HFST Video (2:55)

The video illustrates how PennDOT, through the State Transportation Innovation Council, promotes the deployment of HFST by hosting a local government Demonstration Open House and filmed a video to convey the benefits.

KYTC Calcined Bauxite Video (4:09)

This video illustrates the Refractory process of Calcined Bauxite and provides a brief overview on the innovative technology of HFST and how it can save lives.

HFST Video: FHWA & Oklahoma DOT HFST Pilot Project (7:25)

This video demonstrates the HFST application under a pilot program where ODOT and FHWA partnered.

National Center for Asphalt Technology (NCAT) HFST Alternative Aggregates Study

This research study examines the pavement surface friction performance of seven alternative aggregate sources to determine if they provided similar performance to calcined bauxite as a high friction surface treatment (HFST).

FHWA's Evaluation of Low-Cost Safety Improvements Pooled-Fund Study

This research study is currently underway. When finished, it will provide additional HFST crash reduction analysis.

ATSSA High Friction Surfacing Website

This website includes case studies, FAQs, videos, specifications, research, and news and publications related to high friction surface treatments.

High Friction Roads

This website provides fundamental information about high friction surface materials and specific information about demonstration projects.

Every Day Counts 2012 HFST Website

This website provides fact sheets, case studies, FAQs, videos, photos, publications, and contacts for high friction surface treatments.

Alternative Aggregates and Materials for High Friction Surface Treatments Study

This research study examines performance of alternative aggregates and materials for high friction surface treatments with a focus on applications in the State of Florida.

Accelerated Innovation Deployment (AID) Demonstration Project: HFST in the Oklahoma City Metropolitan Area

This report documents the Oklahoma Department of Transportation's (ODOT) demonstration grant award for the installation of HFST using fully-automated methods and presents details on HFST installations, along with performance metrics measurement and analysis, lessons learned, and the status of activities related to adoption of HFST as conventional practice by ODOT.

Page last modified on February 1, 2017
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