This report summarizes the improved data base and analysis tools developed as part of Study 1108 for analyzing the travel impacts of freeway maintenance and reconstruction activities. The data base … [Read more...] about Traffic Pattern Assessment and Road User Delay Costs Resulting from Roadway Construction Options
Facilities
User’s Manual for QUEWZ-92
QUEWZ-92 is a microcomputer analysis tool for planning and scheduling use in freeway work zone lane closures. It analyzes traffic conditions on a freeway segment with and without a lane closure in … [Read more...] about User’s Manual for QUEWZ-92
1991 Transportation Engineering Research Reports
The engineering research reports in this document resulted from the second year of the Undergraduate Transportation Engineering Fellows Program during the summer of 1991. The ten-week program, … [Read more...] about 1991 Transportation Engineering Research Reports
Natural Diversion at Temporary Work Zone Lane Closures on Urban Freeways in Texas
The report documents the results of eleven field studies at temporary work zone lane closures on urban freeways in Texas. Study results indicated a large amount of natural diversion occurred at those … [Read more...] about Natural Diversion at Temporary Work Zone Lane Closures on Urban Freeways in Texas
Updated Short-Term Freeway Work Zone Lane Closure Capacity Values
This report reviews previous studies of work zone capacity, summarizes the analysis of new capacity data collected as part of Study 1108, and presents recommendations for estimating the capacity of … [Read more...] about Updated Short-Term Freeway Work Zone Lane Closure Capacity Values
Field Studies of Temporary Pavement Markings for Work Zones on Two-Lane Rural Highways
In response to FHWA's proposed rule requiring that all states use 4-ft pavement markings on 40-ft centers as temporary markings in highway work zones, NCHRP awarded a research contract to the Texas … [Read more...] about Field Studies of Temporary Pavement Markings for Work Zones on Two-Lane Rural Highways