WSDOT does not use performance specifications. Time of day restrictions or night work is specified based on hourly traffic volumes. Generally WSDOT uses analysis programs such as QUEWZ98 to calculate … [Read more...] about Work zone impact thresholds
Traffic
Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones
South Carolina avoids speed limit reductions except during lane closures or geometric changes. … [Read more...] about Traffic management techniques (beyond the MUTCD) used to reduce delay in work zones
Traffic Control Management Through Construction Zones
As I-70 construction activities in Colorado's Glenwood Canyon intensified, it became increasingly clear that traditional approaches to construction traffic control could neither efficiently nor safely … [Read more...] about Traffic Control Management Through Construction Zones
FHWA Software Package Estimates Work Zone Traffic Delays
A new software package that the U. S. Department of Transportation's Federal Highway Administration (FHWA) helped develop can assist highway engineers in estimating traffic delays caused by work zones … [Read more...] about FHWA Software Package Estimates Work Zone Traffic Delays