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…MoreWorking at Night
Featured Items:
Nighttime Lighting for Work Zones (Training)
Roadway lighting eases the task of driving at night by illuminating the pavement to help drivers see the general direction of the roadway, aiding them in seeing structures alongside the roadway more c… More
Nighttime Lighting Guidelines for Work Zones: A guide for developing a lighting plan for nighttime work zones (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
Many State Departments of Transportation (DOT) use some form of nighttime work zone to conduct construction and maintenance activities on or near the travel portion of the road system. Roadway lightin…MoreA Guidebook for Nighttime Construction: Impacts on Safety, Quality, and Productivity (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
NCHRP Report 726 provides a Guidebook of nighttime construction best practices concerning 1) implementation of new or innovative ideas to convert necessary work activities to effective nighttime produ…MoreRSP+ 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…MoreRSP+ Night Work Temporary Lighting Toolbox Pamphlet (Publication)
Resource Type: Brochures and Fact Sheets
The Night Work Temporary Lighting pamphlet covers the goals of temporary lighting and emphasizes illumination of work, control of glare and minimization of shadows. It details how to set up temporary …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…MoreRSP+ Night Work Risks Toolbox Pamphlet (Publication)
Resource Type: Brochures and Fact Sheets
The Night Work Risks pamphlet presents the many hazards of night work, discusses nighttime TTC (Temporary Traffic Control), reviews safety enhancements including high visibility clothing, recommends b…MoreRSP+ 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 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 precaution… More
Illumination and Visibility of Workers in Nighttime Highway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Much of the construction work that occurs on high-speed roadways takes place at night to minimize impacts on drivers. Performing work at night exposes workers to hazards that are not present during th…MoreUse of Additional Lighting for Traffic Control and Speed Reduction in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Performing roadway construction work at night exposes workers to hazards that are not present or as great during the daytime. Working at night requires illuminating the area where work is taking place…MoreCharacterizing the Impact of Nighttime Construction on Traffic-Related Emissions (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Nighttime road maintenance and construction work is most commonly initiated where it is impractical or highly undesired to close traffic lanes on certain high-volume roadways during normal daylight ho…MoreImpact of Temporary Portable Work Zone and Personal Lighting on Vehicle Speeds in Nighttime Highway Preservation Projects (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Every year thousands of people are killed or injured in work zone crashes in the US due to excessive speed, distraction, inattentiveness, or low visibility. Many highway construction, maintenance, and…MoreMulticontextual Machine-Learning Approach to Modeling Traffic Impact of Urban Highway Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Impact assessments of highway construction work zones (CWZs) are mandated for all federally funded highway infrastructure improvement projects. However, most existing approaches are ad hoc or project …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)…MoreMDOT Raises the Bar on Work Zone Visibility (Publication)
Resource Type: Other News Releases
Night time visibility in work zones can be challenging, particularly in the rain. The Michigan Department of Transportation set new guidelines and standards for work zones throughout the state to m…MoreAnalysis on Work Zone Characteristics in South Korean Expressways Using Text Mining Technique (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
The study proposes the association between work zone types and work zone lane closure types used in the construction of South Korean expressways through the use of the text mining and association anal…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…MoreToward Modeling the Effect of Vertical Illuminance on Perceived Glare in Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
In the United States, in most of the states, glare from the portable light towers in the work zones is evaluated subjectively. Subjective evaluation of glare usually has the inherent bias of the perso…MoreImpact of Advisory Signs on Vehicle Speeds in Highway Nighttime Paving Project Work Zones (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Pavement preservation projects typically require construction workers to conduct their work in close proximity to ongoing traffic. During paving operations, workers are located within a protected work…MoreNighttime Highway Construction Illumination (Publication)
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…MoreNight-Time Highway Construction or Maintenance/Upgrading Works: An Analysis (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This paper presents the analysis of interview sessions conducted with the general objective of studying night-time highway construction or maintenance/upgrading works. This includes any work; construc…MoreNighttime Temporary Traffic Control (Training)
This course will allow participants to understand considerations of nighttime work zones. The course discusses factors affecting the feasibility of nighttime work zones and their considerations, such … More
Configuring Retroreflective Markings to Enhance the Night-Time Conspicuity of Road Workers (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This study investigated whether the night-time conspicuity of road workers can be enhanced by positioning retroreflective strips on the moveable joints in patterns that convey varying degrees of biolo…MoreMobile Barrier Trailer: A Critical Analysis of an Emerging Workzone Protection System (Publication)
Resource Type: Articles, Books, Reports, Papers, and Research Articles
Within the construction industry, the highway sector is particularly dangerous. Despite the fact that highway work zone safety has received significant attention from the research community, injury ra…MoreImpact of Work Zone Lighting on Driver’s Detection of Objects (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Researchers conducted a closed-course study to evaluate the impact of work zone lighting upon the ability of drivers to detect low contrast objects and workers wearing high-visibility vests. Three lig…MoreSpeed Characteristics and Safety Risk Level Evaluation for Nighttime Roadway Work Area (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
More and more roadway projects are conducted during nighttime to satisfy heavy travelling demands in the daytime. However, the Nighttime Roadway Work (NRW) produces several safety problems. As a devel…MoreWork Zone Lighting and Visual Performance (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
In part because of the potential for high levels of glare from work zone illumination, recommendations for light levels from work zone illumination systems are substantially higher than for levels use…MoreImproving the Effectiveness of Nighttime Temporary Traffic Control Warning Devices, Volume 2: Evaluation of Nighttime Mobile Warning Lights (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Vehicle-mounted warning lights for nighttime mobile highway operations provide critical protection to workers and the driving public. Alerting the traveling public of the approaching work activity and…MoreImproving the Effectiveness of Nighttime Temporary Traffic Control Warning Devices, Volume 1: Evaluation of Lights on Nighttime Work Zone Channelization Devices (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
Currently, the Illinois Department of Transportation (IDOT) is one of the few state transportation agencies that require warning lights on nighttime work zone channelization devices, such as drums and…MoreStudies to Assess the Impact of Nighttime Work Zone Lighting on Motorists (Publication)
Resource Type: Books, Reports, Papers, and Research Articles
This report describes the methodology and results of analyses performed to assess the impact of work zone lighting on motorists. Field studies were conducted to provide insight into how drivers’ eye…MoreRoadway Safety+ Version 11.0: Toolbox Pamphlets and Trainee Booklets in English, Spanish, and Portuguese (Publication)
Resource Type: Brochures and Fact Sheets
It includes the following 13 Toolbox Pamphlets and Trainee Booklets that are included in Roadway Safety+ Version 11.0:Disaster Response Toolbox PamphletElectrical Hazards Toolbox PamphletEmergencies T…MoreNighttime Lighting for Work Zones (Training)
Roadway lighting eases the task of driving at night by illuminating the pavement to help drivers see the general direction of the roadway, aiding them in seeing structures alongside the roadway more c… More
Nighttime Lighting Guidelines for Work Zones: A guide for developing a lighting plan for nighttime work zones (Publication)
Resource Type: Manuals, Policies, Guidelines, and Handbooks, etc.
Many State Departments of Transportation (DOT) use some form of nighttime work zone to conduct construction and maintenance activities on or near the travel portion of the road system. Roadway lightin…MoreNighttime Lighting Guidelines for Work Zones: A guide for developing a lighting plan for nighttime work zones
PDF Version [3.26 MB]
April 2013
Developed by:
The American Traffic Safety Services Association
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