The construction industry has evolved from a master builder system into, predominantly, the two separate fields of design and construction. Industry organizations and state legislation have … [Read more...] about Liability in Designing for Construction Worker Safety
Design
Work Zone Traffic Management Synthesis: Tiedown Methods for Precast Concrete Safety Shaped Barriers
This report is a synthesis of research findings and current practices regarding the design and application of systems for anchoring (tieing down) portable concrete safety shaped barriers (CSSBs) to … [Read more...] about Work Zone Traffic Management Synthesis: Tiedown Methods for Precast Concrete Safety Shaped Barriers
A Policy on Geometric Design of Highways and Streets, 7th Edition
A Policy on Geometric Design of Highways and Streets, 7th Edition, 2018, commonly referred to as the Green Book, contains the current design research and practices for highway and street geometric … [Read more...] about A Policy on Geometric Design of Highways and Streets, 7th Edition
An Artificial Neural Network Speed Profile Model for High-Speed Highway Construction Work Zones
Speed profile models can be used by highway engineers to assess the adequacy of a design. Previous work has investigated relationships between operating speed and geometric roadway elements for … [Read more...] about An Artificial Neural Network Speed Profile Model for High-Speed Highway Construction Work Zones
Feasibility and Design of Enforcement Pullout Areas for Work Zones
This report presents results of research conducted to determine appropriate design recommendations (length, spacing) of enforcement pullout areas within work zones. A review of existing geometric … [Read more...] about Feasibility and Design of Enforcement Pullout Areas for Work Zones
Design and oversight of work zone operations
Pennsylvania is divided into eleven Engineering Districts. The design and oversight of work zones is done at the district level either in the Traffic or Design unit. Oversight is handled by the … [Read more...] about Design and oversight of work zone operations