Estimating Network Model Parameters from Mail Survey Data
Network models are generally based on a four-step modeling process; trip generation, trip distribution, modal split, and trip assignment. Microcomputer implementations of these steps have...
Impact of Land Use Alternatives on Transportation Demand
This paper documents a study conducted by the Baltimore Regional Council of Governments (Regional Council) for the Federal Highway Administration (FHWA). Under this study, alternative...
Better Ways to Update Trip Matrices
Updating origin-destination (OD) trip matrices usually involves considerable survey costs, so engineers are often forced to use dated OD information, which can seriously undermine the...
Using License Plate Survey Data in Transportation Planning Applications
This paper is a presentation of the methodology used by the Baltimore Regional Council of Governments to conduct a multi-faceted study for the Maryland Aviation Administration, which operates...
A Decision Support System for the Operation of Joint-Use Parking
A prototype decision support system (DSS) developed for streamlining the operation of a joint-use parking program is discussed. The DSS involves a combined usage of geographic information...
A Peak Hour High Capacity Reservation and Person-Based Functional Classification Concept for Urban Mobility Plans and Corridor Growth Management
The management of future growth and mobility in urban corridors and areas has been based in part upon use of the Levels of Service and procedures of the Highway Capacity Manual. Capacity...
Scoping Out Scour
Bridge scour�soil erosion around piers and pilings�threatens tens of thousands of bridges across the U.S. Traditionally, engineers have mapped bridge scour by driving probes into the subbottom...
Using Environmental Tracers to Estimate Recharge Through an Arid Basin
Multiple tracer techniques were used to estimate recharge rates through unsaturated alluvium beneath the Greater Confinement Disposal site, a waste disposal site located in Frenchman Flat,...
Geophysical Investigations of Concealed Faults Near Yucca Mountain, Southwest Nevada
Detailed gravity and ground magnetic data collected along surveyed traverses across Midway Valley, on the eastern flank of Yucca Mountain, Nevada reveal that these methods can be used...
Photogeologic Reconnaissance of X-Tunnel at Little Skull Mountain
An underground structure known as X-tunnel was investigated for the viability as an underground deep based missile system that included the capability to maintain survivability following...
IHLW Conference Paper?Yucca Mountain Site Characterization Project Environmental Protection Program
To ensure that characterization of the Yucca Mountain site is conducted in an environmentally safe and sound manner, the U.S. Department of Energy (DOE) has developed and implemented a...
Use of Flood Control Features for Environmental Mitigation
The US Army Engineer District, Vicksburg (CELMK), plans to construct up to 167 water control structures, 52 confined disposal facilities, and 47 barrow pits as part of a major flood control...
Residential Water Conservation and Reuse Demonstration: Casa Del Agua and Desert House
Occupied single-family homes can provide factual data as well as create an active real-world setting for education of the public. The installation of water-efficient fixtures, rainwater...
Assessment and Mitigation for Endangered Vernal Pool Invertebrates
The USFWS is considering declaring five species of vernal pool invertebrates endangered. Among these are the Vernal Pool Fairy Shrimp (Branchinecta lynchi), the California Linderiella...
Projecting Customers Using a GIS Land Use Forecasting Model
The Salt River project originally developed the Land Use Forecasting Model to understand the pattern of urbanization of agricultural and desert land in metropolitan Phoenix. The model...
Civil Engineering Computer Usage Survey
A survey of the members of the Columbia Section of the American Society of Civil Engineers (ASCE) was conducted. The purpose of the survey was to determine the computer usage of practicing...
Development of Differential Growth Method for Automated Vehicle Recognition
The purpose of this study is to improve a system which enables automatic recognition of vehicles from video images using image processing system. Basic methodology is a subtracting operation...
An Application of Fuzzy Set Theory to Preference Analysis in Bus Route Choices
One of the difficulties in applying fuzzy set theory to the real situation is how to determine membership functions. In this study, a questionnaire survey was conducted to assess bus riders'...
Managing the Data Explosion
Sound data management practices have always been central to a successful project. However, the data explosion brought on by high-tech electronic sensors and automatic samplers can exceed...
User Identified Short-Term and Long-Term Needs for Pavement Management Innovation
A survey involving 300 practicing engineer's from all over the United States and representing 20 other countries was conducted, concerning ideas and opinions of the priority research needed...
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