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Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
As energy resources are needed in abundance to sustain the ever evolving global economy, the world's energy dependency for good reason, is beginning to shift. Various studies have shown that although fossil fuels are still the primary...
The last few years have had very active storm seasons and have had much damage on the nation's infrastructure. Along with destructive storms are the chances of a terrorist attack. Since the attacks of September 11, 2001 the nation's...
Across the United States, a great deal of attention is being focused on promoting energy efficient and environmental friendly modes of transportation. Bicycling is an integral part of a sustainable transportation system that is one of...
The 2004 and 2005 hurricane seasons have proved to be critical turning points in society's view of such destructive storms. Bridges are not exempt from such destruction. The economic impacts of damage to bridges can be dramatic since...
The analysis of traffic crashes that occurred in Florida in 2002 has shown that six-lane divided highways had higher crash rates than two-lane and four-lane highways. Variation of roadway geometrics and traffic characteristics on six...
Understanding the behavior and performance of roadside safety devices, such as guardrails, concrete barriers, end terminals, and crash attenuators, is of great importance to improving the safety of roadways and intersections. Crash...
The construction industry has been one of the slowest to assimilate new technologies into its business processes. There are several barriers to technology adoption within the construction industry that have created a general low...
This research study examines the safety impacts of the existing operator hours of duty policies in the state of Florida. Thus, this study uses questionnaire surveys, incident data archived by transit agencies and bus driver schedules to...
Hot Mix Asphalt (HMA) is a viscoelastic material and has been broadly used in pavement structures. It is important to understand the mechanism of complex behaviors of HMA mixtures in field for improving pavement mechanical performance....
Modeling traffic crashes is a complex undertaking. Previous research studies have used a variety of techniques to analyze crashes. Conventionally, traffic crashes have been modeled using regression models. Recently, intelligent systems...
With an increase in demand on the current roadway system, intersections are beginning to fail before the end of the design period. Generally, an intersection is formed when two roadways cross. One of the roads usually services higher...
Monitoring traffic through extensive collection and efficient storage of traffic data is crucial for improving safety and efficiency of Florida Highways. To this end, the Florida Department of Transportation operates temporary and...
The deterioration of the safety of operation, coupled with the persistent increase in rearend crashes, is of great concern in finding accurate and realistic methods of modeling traffic flow and preventing traffic crashes. For some...
The Federal Highway Administration's (FHWA) ``Every Day Counts'' initiative aims to shorten the overall project delivery time, enhance safety, and protect the environment both on and around construction projects. Using innovative...
Older drivers may have more difficulty than the general driving public in attending to the driving task, and they may be slower at processing information, especially when required to make complex decisions. Traffic crashes caused by...
The increase in commodity flow and just-in-time pick up and delivery activities in urban areas have led to increase in truck traffic on urban roadways which raises safety and operational concerns. The concerns are related to trucks'...
For the past decades many studies have focused on the operation and safety of limited access roadways. However, the accessibility of these facilities are made possible by interchanges which are systems of interconnecting roadways with...
Fatal run off the road crashes make up a fairly large percentage, approximately 33% of the total fatal crashes in the state of Florida. To address the problem of fatal crashes involving running off the roadway, a study was undertaken...
Urban freeways and tollways in the United States are characterized by a significant number of truck traffic hauling freight between various origins and destinations. The truck traffic varies in size from single-unit trucks to multi-unit...
Overcorrection crashes have long been a concern in crash analysis because the outcomes vary from the vehicle coming to rest after a rollover, to the vehicle passing through the opposite lanes either hitting or without hitting an oncoming...
Some of the material in is restricted to members of the community. By logging in, you may be able to gain additional access to certain collections or items. If you have questions about access or logging in, please use the form on the Contact Page.
