6,821 Works

Implementation of Remote Sensing Technology on the I-64 Bridge over US60

Issam E. Harik, Ching Chiaw Choo, Abheetha Peiris & Dan Eaton
Remote sensing devices have been implemented on the I-64 Bridges over US60 in Franklin County, KY. One of the girders in the westbound bridge has been previously repaired due to unexpected fatigue cracking. The exterior girder in the eastbound bridge has shown signs of impacts due to the traversing trucks on US60. Sensing and recording devices such as strain and temperature gauges, infrared sensors, ultrasonic height detectors, and an accelerometer have been installed. Specifically, eleven...

Commercial Truck Parking and Other Safety Issues

Jerry G. Pigman, Graham Winchester & Nathaniel Swallom
Commercial truck parking is a safety issue, since trucks are involved in approximately 10% of all fatal accidents on interstates and parkways in Kentucky. Drivers experience schedule demands and long hours on the road, yet they cannot easily determine available parking locations. The objective of this study was to identify information related to parking demand, locations with documented or potential safety issues, and potential countermeasures. The literature review indicated substantial research has been done on...

Best Practices for the Implementation of the REAL ID Act

Jennifer R. Walton, Candice Y. Wallace & Andrew Martin
The REAL ID Act specifies the minimum standards that must be used to produce and issue driver’s license and identification cards that are REAL ID compliant. Beginning in 2020, if a person does not possess a form of identification that meets REAL ID standards they will not be able to board an aircraft that is regulated by the Federal Aviation Administration. Currently, of the 56 states and jurisdictions required to implement the REAL ID Act,...

“Warming up” in the developmental sequence?

Cody Davidson & Kristin B. Wilson
The purpose of this study was to determine predictor factors of upward transfer for Kentucky community college students enrolled in a developmental algebra course. For independent students, a mother with a college degree, a declared major, a federal work-study position, greater adjusted gross income, and a higher grade point average was positively correlated with upward transfer. For dependent students, a father with a college degree, a declared major, and a higher grade point average was...

A Critical Analysis of the Identification and Treatment of First-Generation College Students

Michael Peabody
This paper examines institutional identification of first-generation college students and corresponding campus retention programs utilizing a Social Capital lens. Building on the theoretical foundation of Astin and Tinto this article argues that all student retention programs are based on Social Capital theory and provides recommendations for improving campus retention programs.

Evaluation Plan for the Ticketing Aggressive Cars and Trucks (TACT) Program in Kentucky

Eric R. Green
Kentucky State Police Division of Commercial Vehicle Enforcement in cooperation with Federal Motor Carrier Safety Administration (FMCSA) has started a concentrated education and enforcement campaign in an effort to increase the safety and awareness of drivers around commercial vehicles. The University of Kentucky Transportation Center has evaluated this campaign and reported the effectiveness of this effort. This study is a follow‐up to a 2007 study that focused on two high volume, high crash interstate areas:...

Effects of Chloride Contamination on Coatings Performance

Bobby W. Meade, Sidhir Palle, Theodore Hopwood & Rick Younce
Research indicates that chloride concentration as determined by currently available field test methods does not reliably predict protective coating performance on KYTC bridges. Laboratory testing of chloride charged panels also failed to relate chloride concentration to coating performance. The coatings industry provides recommendations for acceptable chloride levels for various exposure conditions but bridges are different than other structural steel and the exposure conditions for bridges are not adequately addressed. Effective chloride remediation strategies and protective...

Sustainable Practices and Related Performance Measures at State Highway Agencies

Lenahan O'Connell
This report identifies seven ways in which an SHA can harm the environment: (1) excessive consumption of virgin materials; (2) unnecessary levels or amounts of storm water runoff; (3) release of environmental contaminants by SHA employees and contractors; (4) inadequate environmental training of employees and contractors; (5) wasteful use of energy by SHA employees and contractors; (6) the promotion of excessive driving by the public and concomitant release of green house gases; and (7) inadequate...

Quantification of the Benefits of Access Management for Kentucky

Adam Kirk, Jerry G. Pigman & Barry House
This report describes the benefits quantification performed for the proposed access management plan for Kentucky. This study evaluates the capacity, safety and economic impacts associated with access management programs. The proposed Kentucky access management program will seek to standardize driveway and traffic signal spacing on all state maintained roadways in the state. The TRB Access Impact Calculator developed as a part of by NCHRP Report 420, was used to evaluate the potential benefits of the...

Cooper Drive Pedestrian Study

Adam Kirk & Nikiforos Stamatiadis
The purpose of this report is to summarize the findings of the pedestrian study conducted for Cooper Drive from Nicholasville Road to Sports Center Drive on the University of Kentucky Campus in Lexington, KY. This study was initiated by the University of Kentucky Parking and Transportation Services in response to high pedestrian crossing volumes on Cooper Drive. Cooper Drive is crossed daily by a large number of pedestrians to access the main campus from the...

ARTIMIS Telephone Travel Information Service

Lisa Aultman-Hall
This report summarizes the results of a random telephone survey of households in the Greater Cincinnati and Northern Kentucky Area. The objective was to determine awareness of the traffic management center and its telephone travel information service. A secondary objective was to determine the public's preference for dialing and recalling phone numbers for travel information. The survey found that 39% were aware of a traffic management center while 55% were aware of a telephone traffic...

Recognizing and Serving Low-Income Students in Higher Education (review)

Michael Peabody
In a time of decreasing appropriations from state and federal agencies, institutions of higher education are making changes to the services they provide. In this book Adrianna Kezar (ed.) examines the policies and practices that negatively affect low-income students and utilizes a post-structuralist lens to provide a framework for institutions to think differently about the services they provide.

2009 Safety Belt Usage Survey in Kentucky

Kenneth R. Agent & Eric R. Green
The objective of this study was to establish 2009 safety belt and child safety seat usage rates in Kentucky. The 2009 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 2006. Data were collected at 160 randomly selected sites in 18 counties across Kentucky. Data from the individual sites were combined into a...

Evaluation of the Work Zone Safety and Mobility Rule

Kenneth R. Agent & Jerry G. Pigman
The Work Zone Safety and Mobility Rule (Rule) was published in the Federal Register in September 2004 indicating that all state and local governments receiving Federal-aid funding were required to comply with provisions of the Rule no later than October 2007. Kentucky received an extension to October 2008. The objectives of this study were to review the requirements of the Work Zone Safety and Mobility Rule and provide recommendations for implementation of the Rule to...

Truck Route Access Evaluation

Brian Aldridge, Kenneth R. Agent, Lisa Aultman-Hall, David Cain, Nikiforos Stamatiadis & Joel Weber
The Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189), undertaken by the Kentucky Transportation Center (KTC) on behalf of the Kentucky Transportation Cabinet (KYTC), has two main objectives. These objectives include the evaluation of 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...

Tools for Applying Constructability Concepts to Project Development (Design)

Nikiforos Stamatiadis, Paul Goodrum, Emily Shocklee & Chen Wang
The purpose of this report is to document the activities of Phase I of the research effort and present the development of the Constructability Review Database developed for the Kentucky Transportation Cabinet. The database provides the basis for entry and collection of constructability reviews and allows for the identification of trends leading to potential improvements of the process. The database can be used to summarize activities, generate reports for a project, and be capable of...

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...

An Overview of U.S. Commuter Rail

Timothy J. Brock & Reginald R. Souleyrette
Planners view commuter rail as a means of managing urban sprawl, stimulating economic development and reducing the environmental impacts of transportation. Commuter rail systems, which use shared rights-of-way to connect suburban hubs with downtown urban centers, are beginning to have a large impact on the way people and freight move through US cities. Currently, there are 26 commuter rail systems operating in 29 major U.S. metropolitan areas. However, there is confusion among the general public...

Coordinating the Use and Location of Weight-In-Motion Technology for Kentucky

Andrew Martin, Valerie J. Keathley, Jerry Kissick & Jennifer R. Walton
Several agencies in the Kentucky Transportation Cabinet make use of data collected by weigh-in-motion (WIM) scales throughout the state. These scales are used to collect traffic counts, weigh vehicles, weigh individual axles, determine vehicle length, classify vehicles, and determine speed. The data is primarily used for planning, law enforcement related to commercial vehicles, and pavement design. This study details the applications of WIM data, and reviews existing literature on how WIM data is used and...

Truck Route Access Evaluation

Kenneth R. Agent, Brian Aldridge, Lisa Aultman-Hall, David Cain, Nikiforos Stamatiadis & Joel M. Weber
The Freight Movement and Intermodal Access in Kentucky Study (SPR 98-189) is being conducted by the Kentucky Transportation Center on behalf of the Kentucky Transportation Cabinet (KYTC). There are two major objectives of the study: 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 several facilities located...

Revision of the Rainfall Intensity Duration Curves for the Commonwealth of Kentucky

Bernadette S. Dupont & David L. Allen
The purpose of this study was to revise and update the existing Rainfall Intensity- Duration-Frequency (IDF) Curves for the Commonwealth of Kentucky. The nine curves that currently govern Kentucky are based on data from First-Order Weather Stations in and around Kentucky. However, the new curves only utilize data from within the State. The data was gathered from both First Order and Co-operative Weather Stations. In accordance with Bulletin 71, the new curves reflect the climatological...

Experimental Coating on Interstate 264 in Jefferson County

Bobby W. Meade, Sidhir Palle & Theodore Hopwood
A waterborne acrylic coating was applied over a washed and tool cleaned zinc/vinyl system as a maintenance overcoat. The coating has several positive characteristics in that it is “user friendly”, substrate tolerant, develops good adhesion quickly, and is environmentally friendly. There were some issues concerning quality of work in surface preparation and application and in the fact that on two locations bubbles developed in the newly applied coating. The cause of the bubbling has not...

Improved Bridge Expansion Joints

Sudhir Palle, Theodore Hopwood & Bobby W. Meade
The Kentucky Transportation Cabinet (KYTC) has both open and closed bridge expansion joints and associated details that are problematic. Several state highway agencies (SHA) have joints that they believe are superior performers to other types and have prepared guidance documents for their use. A literature search indicated that several previous research studies, including national surveys, addressing SHA joint practices have been conducted over the past 10 years. For up-to-date information, a new set of surveys...

Temporary Flood Barriers

Sarah M. McCormack, Chris VanDyke, Ashley Suazo & Doug Kreis
This report investigates the use and effectiveness of temporary flood barriers (TFBs) to mitigate the impacts of flood waters on Kentucky’s roadways. TFBs are structures, usually filled with sand, which are constructed along the edges of roadways and thus serve as a buffer against rising waters. In doing so, they can protect the structural soundness of roads, and ensure that roads remain open to traffic during flood events. The report is divided into four main...

Rideability Issues for Asphalt and Concrete Specification Modifications

Brad Rister & Clark Graves
Concerns have been raised regarding the differences between the incentive/disincentive determination procedures as well as the pay adjustments for rideability between asphalt and concrete projects. This report will attempt to do the following: Address the differences between concrete and asphalt rideability specifications by looking at Kentucky’s historical rideability specifications and the specifications of peer states. Review the necessity to revise current specifications based on historical rideability data, peer states rideability specifications, technological advancements in placement...

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