The Highway Surveys Program A Summary Statement Fiscal 1977-1978, HR-198, 1978

This final report summarizes the activities of the archaeological surveys contract for primary roads, secondary roads, and urban systems. The contract is negotiated annually between the Iowa Department of Transportation and the University of Iowa. The information contained in this section of the report is composed of summaries abstracted from completed cultural resource reports on file with the Department of Transportation, the Office of Historic Preservation, and the Office of the State Archaeologist.

Temporary Traffic Control Handbook, TR-694, 2016

This handbook provides a broad, easy to understand reference for temporary traffic control in work zones, addressing the safe and efficient accommodation of all road users: motorists, bicyclists, pedestrians, and those with special needs. When impacting a pedestrian facility, provide ten calendar days advance notification to the local jurisdiction and the National Federation of the Blind of Iowa (www.nfbi.org). The information presented is based on standards and guidance in the 2009 Edition of the Manual on Uniform Traffic Control Devices (MUTCD). References to the MUTCD sign designations in this handbook are shown in parentheses, e.g. (W20-1). Not all the recommendations in this handbook will apply to every circumstance faced by local agencies, and each unique situation may not be addressed. Modifications of the typical applications in this handbook will be required to adapt to specific field conditions. Therefore, use engineering judgment, seeking the advice of experienced professionals and supervisors in difficult and complex interpretations. This handbook can be used as a reference for temporary traffic control in work zones on all city or county roadways. However, always check contract documents and local agency requirements for any pertinent modifications.

Image Analysis for the Characterization of Materials for Highway Construction : Phase I, Progress Report, HR-346, 1992

The major objective of this project is to evaluate image analysis for characterizing air voids in Portland cement contract (PCC) and asphalt concrete (AC) and aggregate gradation in asphalt concrete. Phase 1 of this project has concentrated on evaluation and refinement of sample preparation techniques, evaluation of methods and instruments for conducting image analysis, and finally, analysis and comparison of a select portion of samples. Preliminary results suggest a strong correlation between the results obtained from the linear traverse method and image analysis methods for determining percent air voids in concrete. Preliminary work with asphalt samples has shown that damage caused by a high vacuum of the conventional scanning electron microscope (SEM) may too disruptive. Alternative solutions have been explored, including confocal microscopy and low vacuum electron microscopy. Additionally, a conventional high vacuum SEM operating at a marginal operating vacuum may suffice.

Bituminous Mixes Prepared with Foamed Asphalt, Iowa Highway Research Board Bulletin No. 18, 1960

A contract for Project HR-20 "Treating Loess, Fine Sands and Soft Limestones with Liquid Binders" of the Iowa Highway Research Board was awarded in December, 1951, to the Iowa Engineering Experiment Station of Iowa State University as its Project 295-S. By 1954 the studies of the fine materials and asphalts had progressed quite well, and a method of treating the fine materials, called the atomization process, had been applied. A study was begun in 1954 to see if some of the problems of the atomization process could be solved with the use of foamed asphalt. Foamed asphalt has several advantages. The foaming of asphalt increases its volume, reduces its viscosity, and alters its surface tension so that it will adhere tenaciously to solids. Foamed asphalt displaces moisture from the surface of a solid and coats it with a thin film. Foamed asphalt can permeate deeply into damp soils. In the past these unusual characteristics were considered nuisances to be avoided if possible.

2012 Iowa Small Hospital Improvement Program (SHIP) Briefing and Survey Report, January 22, 2013

In August of 2012 the Iowa State Office of Rural Health (SORH) conducted a survey to determine the value of the Small Rural Hospital Improvement Program (SHIP) in Iowa. This survey was distributed to the 84 participating hospitals however, because some hospitals network their SHIP funds we only asked the contract administrators of the contracts to complete the survey. 58 of the 78 SHIP contract administrators completed the survey (74%). Background: SHIP brings in roughly $750,000.00 annually to Iowa to assist small Iowa hospitals. Average distribution of approximately $7,500 per hospital. Seventy three of ninety nine Iowa counties are represented.