Resource Type: Books, Reports, Papers, and Research Articles
The nighttime driving environment, consisting of roadway illumination, signs, vehicle lighting and markers, delineators and flashing lights, can be complex or even confusing for both pedestrians and d…MoreVisibility
Featured Items:
RSP+ Night Work Course (Training)
The following modules are covered:
Night Work Basics explains why night work requires special focus. The module presents challenges such as poor visibility and sleep disruption, special precautio… More
RSP+ Night Work Trainee Booklet (Publication)
Resource Type: Brochures and Fact Sheets
The booklet first explains why night work requires special focus and then presents the hazards, nighttime TTC (Temporary Traffic Control), safety enhancements such as high visibility clothing, best pr…MoreRSP+ Night Work High Visibility Toolbox Pamphlet (Publication)
Resource Type: Brochures and Fact Sheets
The Night Work High Visibility pamphlet defines the characteristics of 'high visibility' and details ANSI requirements for Class 1, 2 and 3 garments. It includes garment inspection and vehicle visibil…More2009 National Traffic Management & Work Zone Safety Conference
The acclaimed Traffic Management & Work Zone Safety Conference managed by the ARTBA - Transportation Development Foundation was held March 9-13 in Orlando, Florida, in conjunction with World o… More
RSP+ Night Work Flagging Toolbox Pamphlet (Publication)
Resource Type: Brochures and Fact Sheets
The Night Work Flagging pamphlet explains how night flagging differs from daytime flagging and shows night flagging applications. It includes proper illumination of a flagger.
Modules Covered:
Nig…MoreNighttime Visibility of Prototype Work Zone Markings Under Dry, Wet-Recovery, and Rain Conditions (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This paper presents the findings of a dynamic pavement marking visibility study conducted as part of the FHWA Highways for LIFE Technology Partnerships Program Temporary Wet-Weather Pavement Markings …MoreA Study of the Visibility and Effectiveness of Fluorescent Retroreflective Traffic Control Signing in Work Zone Applications (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Road works present a special challenge to both the driver and the traffic engineer. Work zone accident statistics attest to the need for safety improvements. One way traffic engineers have attempted t…MoreEvaluation of Temporary Pavement Marking Patterns in Work Zones: Proving-Ground Studies (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Results of proving-ground studies for evaluation of temporary pavement markings for work zones are summarized. The objective was to investigate 10 candidate temporary marking treatments: one base trea…MoreANSI/ISEA 107-2004: Revised American National Standard for High-Visibility Safety Apparel and Headwear (Publication)
Resource Type: Specifications & Special Provisions
This standard provides a uniform, authoritative guide for the design, performance specifications, and use of high-visibility and reflective apparel including vests, jackets, bib/jumpsuit coveralls, tr…MoreProceedings of the National Conference on Work Zone Safety, December 5-7, 1994
This conference was sponsored by the American Road and Transportation Builders Association (ARTBA) and the Federal Highway Administration (FHWA). Cosponsors were American Association of State High… More
Nighttime work restrictions and conditions (Practice)
Some states have found an increase in the amount of work that must be done at night. Minnesota DOT made a commitment to improve the safety of construction work zones by implementing a team to make hig… More
2009 National Traffic Management & Work Zone Safety Conference
The acclaimed Traffic Management & Work Zone Safety Conference managed by the ARTBA - Transportation Development Foundation was held March 9-13 in Orlando, Florida, in conjunction with World o… More
Be Seen, Stay Safe: ANSI Sets the Standard for High-Visibility Clothing (Publication)
Resource Type: News and Other Non-research Articles
Construction crews along roads and highways are sometimes exposed to the hazards of not being seen by motorists and others. This "low visibility" is dangerous and can be potentially fatal. Until recen…MoreExamination of the Current Practice of Lighting in Virginia: Nighttime Work Zones and Improving Safety Through the Development of Nighttime Lighting Specifications (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This project evaluated current nighttime work zone lighting practices for limited-access highways and primary routes in Virginia through (1) an on-site evaluation of lighting levels in work zones; (2)…MoreDriver Eye-Scanning Behavior as Function of Pavement Marking Configuration (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Spatial driver eye-scanning behavior and driving speeds were collected along four rural two-lane road test sites under low-beam illumination conditions at night. This study was conducted to test the h…MoreSynthesis of Best Practice for Increasing Protection and Visibility of Highway Maintenance Vehicles (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The purpose of this research project is to study the current practices in enhancing visibility and protection of highway maintenance vehicles involved in mocing operations such as snow removal and sho…MoreVisibility Requirements for Traffic Control Devices in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The objective of this study was to develop a performance requirement or standard for the detection and recognition of retroreflective traffic devices used in work zones. The scope of the study was lim…MoreA Computational Vision Model-based Method to Address Work Zone Conspicuity (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A computational means to assess the conspicuity of highway features was developed, verified, then applied to a sample construction work zone scene. This work was conceived as a balance between modelin…MoreHigh-Visibility Clothing for Daytime Use in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
High-visibility safety clothing serves an important role in protection of personnel in highway construction. A total of 236 fatalities in highway and street construction were reported for 1992-1993 by…MoreHigh Visibility Safety Apparel and the Nighttime Conspicuity of Pedestrians in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A nighttime field study was conducted to assess how several attributes of personal safety garments affect pedestrian conspicuity. Three types of ANSI/IUSEA 107-1999 compliant Class 2 and Class 3 garme…MoreEffect of Work Zone Lighting on Drivers’ Visual Performance and Perceptions of Glare (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Nighttime crashes at work zones are a major concern for construction workers and motorists. Although a majority of the state department of transportations (DOT) specifications of work zone lighting in…MoreSimulator and Field Study of Green Lights on Truck-Mounted Attenuators in Missouri During Mobile Operations (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Mobile work zones for various types of moving operations (e.g., striping, pothole patching, sweeping) are an important component in highway maintenance activities which have particular safety issu…MoreNight Demonstration at TFHRC Reinforces Importance of Worker Visibility (Publication)
Resource Type: News and Other Non-research Articles
In an effort to better identify and measure the risk of occupational workers exposed to the hazards of low-light and nighttime conditions, the AAA Foundation for Traffic Safety conducted a nighttime v…MoreMaximizing Legibility of Traffic Signs in Construction Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The Wisconsin Department of Transportation contracted with Marquette University to research improvements in construction work zone signs. The RIGHT/LEFT LANE CLOSED and ROAD CONSTRUCTION series were s…MoreKentucky Transportation Cabinet Guidelines for Emergency Traffic Control (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
This handbook provides guidelines listed in the MUTCD with specific focus on traffic incidents. It contains basic principles, a description of standard traffic control devices, guidelines of the appli…MoreGuidelines for the Effective Use and Procurement of Advanced Warning Arrow Panels (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
This digest summarizes the results of NCHRP Project 5-14, "Advanced Warning Arrow Panel Visibility." The project evaluated the factors affecting the detection and recognition of arrow panels and devel…MoreVisibility Requirements of Work Zone Traffic Control Devices (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A concern among highway safety officials is that traffic control devices used at work zones are not as visible as they should be due to insufficient reflectance properties or because they have become …MoreResearch Initiatives to Improve the Visibility and Hence Safety of Road Workers at Night-time (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Research has demonstrated the benefits that clothing incorporating retroreflective markers can provide in significantly improving visibility and reducing accidents, especially at night. Adding biomoti…MoreEffect of Work Zone Lighting on Drivers’ Visual Performance and Perceptions of Glare (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Nighttime crashes at work zones are major concerns for construction workers and motorists. Although in a majority of the U.S. states, department of transportation specifications for work zone lighting…MoreDevelopment of a Low-Profile Portable Concrete Barrier (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
A low-profile portable concrete barrier (PCB) has been developed for use in low-speed [approximately 45 mph (73 km/hr) or less] work zones. The purpose of the low-profile barrier is to shield the work…MoreEffects of Mounting Height, Offset Distance, and Number of Light Towers on Drivers’ Visual Performance and Discomfort Glare in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Portable light towers are a significant source of glare to motorists entering a work zone. Although existing research has evaluated the effect of light tower orientation on visibility and glare, the e…More