973 Works

Development and Deployment of Aluminum Bridge Decks

Ching Chiaw Choo, Abheetha Peiris & Issam E. Harik
This report contains the analysis and retrofit of a steel truss bridge on KY 974 over Howard Creek in Clark County, Kentucky. The bridge had major corrosion and damage to the steel stringers, along with cracking and leaching occurring in the concrete bridge deck. The retrofit involves the replacement of the corroded steel stringers and the damaged concrete bridge deck. The original concrete deck was removed and replaced by light-weight high-strength aluminum deck panels. The...

Heavy Truck Involvement in Traffic Accidents and Related Countermeasures

Jerry G. Pigman & Kenneth R. Agent
The objectives of this research study were to conduct a detailed analysis of truck accidents and recommend countermeasures to reduce the number and severity of this type of accident. Police reports for fatal accidents in which a truck was involved were reviewed for the period 1994 through 1997. Each accident report was reviewed and classified into types of accidents and causative factor categories. The most common accident involved another vehicle crossing the centerline into the...

Examination of Concrete Cores from Lowe’s Store in Bowling Green

David L. Allen & L. John Fleckenstein
The Kentucky Transportation Center was requested by Mr. Tom Brock, Vice President of McWhorter and Company, Inc., to examine cores obtained from a PCC floor slab of a Lowe's store in Bowling Green, Kentucky. From a telephone conversation with Mr. Brock, is was our understanding that a large portion of the surface of the floor slab was scaling and becoming detached. This apparently involved approximately the top 118 inch of the slab. Nine cores were...

Allocation of Highway Costs and Revenues

John A. Deacon & Jerry G. Pigman
In recent years, costs of highway facilities have generally been considered to be the responsibility of highway users. Although the private sector has recently been called upon to assume more cost responsibility, highways are primarily financed from tax revenues and user tolls. A continuing task related to assessment of highway user fees is determination of the appropriate level of taxation for each class of highway user. Cost allocation in various forms has traditionally been a...

Follow-Up Inspection of Premature Cracking on the National Turnpike, Jefferson County

L. John Fleckenstein & David L. Allen
This report discusses the investigation of the premature cracking that has been occurring on the National Turnpike, Jefferson County since 1989. A report was issued in 1990, KTC-90-5. This report documents performance to date. A detailed distress survey was performed evaluating each slab throughout the project site. The distress survey indicates that substantial pavement cracking has occurred since the last visual inspection in 1990. An intense maintenance program is recommended.

Optimization and Standardization of Pavement Management Processes

David L. Allen & Yuhong Wang
This report addresses issues related to optimization and standardization of current pavement management processes in Kentucky. Historical pavement management records were analyzed, which indicates that standardization is necessary in future pavement management decisions. Based on data patterns from Kentucky’s interstate and parkway systems, two distress threshold values and three stages of pavement distress development were defined in this research. Also, staged survival models were developed in this research to predict the duration of a pavement...

Developing an Intelligent Transportation Systems (ITS) Architecture for the KIPDA Region

Joseph D. Crabtree & Jennifer R. Walton
This report describes the development of a regional Intelligent Transportation Systems (ITS) Architecture for the five-county urban area under the auspices of the Kentuckiana Regional Planning and Development Agency (KIPDA). The architecture development process included the following steps: (1) Preliminary Architecture Work; (2) Inventory of Existing and Planned Projects; (3) Assessment of Regional Needs; (4) Development of Preliminary Architecture; (5) Review and Revision of Architecture; and (6) Delivery of Final Architecture and Documentation. Principal tools...

Evaluation of the Accuracy of GPS as a Method of Locating Traffic Collisions

Eric R. Green & Kenneth R. Agent
The objectives of this study were to determine the accuracy of GPS units as a traffic crash location tool, evaluate the accuracy of the location data obtained using the GPS units, and determine the largest sources of any errors found. The analysis showed that the currently used GPS unit is capable of obtaining accurate latitude and longitude data at a crash site that would allow the site to be properly located. However, substantial differences were...

Development of a Critical Path Method Specification and a Training Program for Use of CPM and KTC

James D. Stevens, Donn E. Hancher & Ihab M. Hamdi
The Critical Path Method is a proven management technique used for determining the critical activities that would need additional care in any type of construction projects. The KTC requires that CPM schedules be used on selected highway projects. This research project offers a detailed idea on CPM scheduling application in highway construction projects, as well as current practices in other departments of transportation nationwide, together with specifications for proper application of CPM scheduling.

By-Product and Discarded Material Utilization in Highway Construction and Maintenance

David Q. Hunsucker & J. Michael Tilley
This report summarizes the findings of an extensive literature search and review conducted to determine current attitudes relative to the use of recyclable and recoverable materials in highway construction and maintenance activities. Specifically, the literature search focused upon the engineering, economic, and performance aspects of using recyclable and recoverable materials in highway construction and maintenance projects. The literature review focused on asphalt and cement concrete pavement recycling, discarded tire recycling, reuse of paint removal wastes,...

Analysis of Traffic Accident Data in Kentucky

Kenneth R. Agent & Jerry G. Pigman
This report includes an analysis of traffic accident data in Kentucky for the years of 1993 through 1997. A primary objective of this study was to determine average accident statistics for Kentucky highways. Average and critical numbers and rates of accidents were calculated for various types of highways in rural and urban areas. These data can be used in Kentucky's procedure to identify locations that have abnormal rates or numbers of accidents. The other primary...

Field Performance Evaluation of Precast Concrete Box Culverts, Aluminum Culverts, and Galvanized Metal Arches and Pipe Arches

L. John Fleckenstein, David L. Allen & R. Clark Graves
Reported herein are the field performances of three different classes of culverts. The study included precast concrete boxes, precast arch culvert, aluminum boxes and pipe culverts, and several shapes of galvanized metal culverts. A total of 82 culverts were inspected throughout the state of Kentucky. Culverts were inspected in all 12 highway districts. A total of 15 precast concrete structures, 11 aluminum structures, and 56 galvanized metal structures were evaluated. This report discusses the distress...

Seismic Analysis of the Brent-Spence Bridge

Issam E. Harik, David L. Allen, Ronald L. Street, Meiwan Guo, R. Clark Graves, Jack A. Harison & Mark J. Gawry
This report presents the findings of a seismic evaluation of the Brent-Spence bridge. The bridge is a double-deck cantilever through truss which was constructed in 1961; it is a critical highway link conveying 1-75 over the Ohio river. While not yet subjected to a moderate or major earthquake, the bridge is within the influence of the New Madrid, Wabash Valley, and Anna seismic zones. The seismic evaluation program consisted of field testing and seismic analysis....

Installation and Performance of Portland Cement Concrete Pavement Joint Sealers

David Q. Hunsucker, Edgar E. Courtney & Michael D. Stone
Joints are needed in portland cement concrete pavements to control cracking, relieve pavement stresses due to volume change, and to protect immovable structures. However, when the joints are not properly designed, constructed, and maintained, they may become a source of multiple problems. It is the opinion of many pavement management engineers that the most effective way to prevent and/or correct problems with joints is to use a joint sealer material. The purpose of the sealer...

Evaluation of 93-inch Corrugated Metal Culvert on KY 693 and US 23, Green-Up County

L. John Fleckenstein, Richard Reitenour & David L. Allen
The contents of this report reflect the views of the authors who are responsible for the facts and accuracy of the data presented herein. The contents do not necessarily reflect the official views or policies of the University of Kentucky, nor the Kentucky Transportation Cabinet. The inclusion of manufacturer names and trade names are for identification purposes and are not to be considered as endorsements.

Keepers of the Night

Christie M. Letarte
A great deal of responsibility and risk lies within the RA role. This Article acknowledges that RAs, who are some of the most important employees at institutions of higher education, are often under-trained and may negligently expose institutions to liability. More importantly, this Article aims to address how standards and regulation of the RA position can provide a better snapshot of the RA role, nightlife on college campuses, and reasonable expectations for students, parents, and...

Recent Legal Trends Support Requiring Colleges and Universities to Permit Emotional Support Animals in Student Housing

Neal H. Hutchens
Emerging legal trends suggest colleges and universities should be prepared to make accommodations for emotional support animals, specifically under the requirements of the Fair Housing Act (FHA) and Section 504 of the Rehabilitation Act. Examining recent legal developments, this practitioner brief considers a lawsuit brought by the United States against the University of Nebraska at Kearney to permit a student diagnosed with depression and anxiety to have a therapy dog in student housing. It also...

Best Practices for Commercial Vehicle Monitoring Facilities Design

Nikiforos Stamatiadis, R. Clark Graves & John E. Schmidt
The great technological advances that were made over the last decade in monitoring traffic and the increased emphasis on highway safety for truck traffic have prompted a need to determine more effective ways to monitor and inspect truck traffic. Commercial Vehicle Monitoring (CVM) facilities provide the highway community with the means of supervising truck traffic. However, in an era with limited funds and space for roadway expansion. some consideration must be given to the types...

Evaluation of Road Weather Information System

Joel M. Weber, R. Clark Graves & Jerry G. Pigman
The objectives of this study are to monitor and evaluate the Roadway Weather Information System (RWIS). Six RWIS sites have been installed at locations selected by the Kentucky Department of Highways. Each site includes sensors which measure temperature, precipitation, relative humidity, wind speed, pavement temperature, surface condition, and chemical concentration. The data can be accessed remotely using a Windows-based software program. The data are also stored in a central database for future use. A preliminary...

Analysis and Design of Bridges Susceptible to Barge Impact

Michael W. Whitney & Issam E. Harik
The current American Association of State Highway Traffic Organizations (AASHTO) Guide Specification for Collision Design of Highway Bridges provides three statistical methods(methods I, II, and III) for determining the design vessel for impact analysis. These methods focus mainly on ship impact and not on barge impact design for bridges susceptible to vessel (ship or barge) impact. This is due to the tremendous variation in flotilla sizes, barge types, and barge sizes. This study presents an...

Subsurface Drainage of Highway Pavements

David Q. Hunsucker & Bobby W. Meade
Properly designed and constructed drainage layers can be used for effective control of surface water infiltration. Former pavement design methods often have resulted in base courses that have not drained well, thereby resulting in some premature failures of the pavement structure. The Kentucky Department of Highways is currently reviewing proposed guidelines for design of highway pavements. The guidelines propose the use of open graded, free draining, aggregate bases for controlling infiltrated surface water. However, interim...

Evaluation of Advanced Surveying Technology for Accident Investigation

Kenneth R. Agent, John A. Deacon, Jerry G. Pigman & Nikiforos Stamatiadis
The objective of this study was to evaluate the use of advanced surveying technology tor the investigation of traffic accidents. The analysis shows that the investigation of traffic accidents using total station (survey) equipment provides a substantial improvement over the traditional coordinate procedure. The number of measurements obtained at an accident scene increased (by a factor of about two) when the total station equipment was used while the time required to collect the measurements decreased...

Truck Route Access Evaluation

Lisa Aultman-Hall, Kenneth R. Agent, Brian Aldridge, David Cain, Nicole Lefever, Nikiforos Stamatiadis & Joel M. Weber
There are two main objectives of the Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189) undertaken by the Kentucky Transportation Center for the Kentucky Transportation Cabinet: evaluation of the access for trucks between intermodal or other truck generating sites and the National Highway System (NHS); and furthering the understanding of freight commodity flows throughout the state. This report summarizes the access evaluation for one cluster of facilities located in Madison county in the...

2008 Safety Belt Usage Survey in Kentucky

Kenneth R. Agent & Eric R. Green
The objective of this study was to establish 2008 safety belt and child safety seat usage rates in Kentucky. The 2008 survey continues to document the results after enactment of the initial “secondary enforcement” statewide mandatory safety belt law in 1994 and the subsequent change to “primary enforcement” which was enacted in 2006. Data were collected at 200 randomly selected sites spread across Kentucky. Data from the individual sites were combined into a statewide percentage...

2011 Safety Belt Usage Survey in Kentucky

Eric R. Green & Kenneth R. Agent
The objective of this study was to establish 2011 safety belt and child safety seat usage rates in Kentucky . The 2011 survey continues to document the results after enactment of the original “secondary enforcement” statewide mandatory safety belt law in 1994 and the subsequent change to “primary enforcement” which was enacted in 2 006. Data were collected at 160 randomly selected sites in 18 counties across Kentucky. Data from the individual sites were combined...

Registration Year

  • 2015

Resource Types

  • Text