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’ eyes … [Read more...] about Studies to Assess the Impact of Nighttime Work Zone Lighting on Motorists
Periods of the Day
Nighttime Lighting Guidelines for Work Zones Training Module
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 … [Read more...] about Nighttime Lighting Guidelines for Work Zones Training Module
Nighttime Lighting Guidelines for Work Zones: A guide for developing a lighting plan for nighttime work zones
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 … [Read more...] about Nighttime Lighting Guidelines for Work Zones: A guide for developing a lighting plan for nighttime work zones
Maintenance Work Zone Safety — Pocket Guide of MUTCD’s Guidance on Temporary Traffic Control / Seguridad en la zona de trabajo de mantenimiento – Guía de bolsillo sobre la orientación del MUTCD en relación con el control de tránsito temporal
Esta guía de 4 por 6 pulgadas provee información sobre los diagramas típicos que aplican a trabajos de corta duración y operaciones móviles de mantenimiento. La guía provee diagramas útiles e … [Read more...] about Maintenance Work Zone Safety — Pocket Guide of MUTCD’s Guidance on Temporary Traffic Control / Seguridad en la zona de trabajo de mantenimiento – Guía de bolsillo sobre la orientación del MUTCD en relación con el control de tránsito temporal
A Guidebook for Nighttime Construction: Impacts on Safety, Quality, and Productivity
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 … [Read more...] about A Guidebook for Nighttime Construction: Impacts on Safety, Quality, and Productivity
Statistical Test for 85th and 15th Percentile Speeds with Asymptotic Distribution of Sample Quantiles
The 85th and the 15th percentiles are two parameters that are commonly used in traffic engineering and traffic safety. For example, 85th percentile speeds are used in setting speed limits and for … [Read more...] about Statistical Test for 85th and 15th Percentile Speeds with Asymptotic Distribution of Sample Quantiles