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Telemetry Data Considerations in Water Systems Control
The installation of increasingly sophisticated telemetry systems for data collection within the water supply and distribution networks has progressed rapidly in recent years. This has...

Beyond Basic Modeling
Computers have long been used in water engineering to model hydraulic distribution networks In recent years, computer technology has exploded, yielding computers that are powerful and...

Spatial Averaging of Statistically Anisotropic Point Conductivities
This paper presents a new technique to compute the mean, variogram and cross-variograms of the components of block conductivity tensors given the statistical distribution of point conductivities....

Keeping Tabs on Toxic Spills
EPA estimates on the number of hazardous material accidents in the past five years range widely from 7,000 accidents to 20,000, primarily because information on these accidents is so poorly...

ORNL Light-Duty Vehicles PC System
This data system, designed by the Oak Ridge National Laboratory (ORNL) and funded by the U.S. Department of Energy (DOE), monitors information on every light-duty vehicle (automobiles...

Using SAF to Focus Mainframe Transportation Planning Data
This paper presents an overview of software called 'SAF' developed under FHWA sponsorship to assist in converting mainframe planning data sets into formats which can be input into microcomputer...

Model for Intersection Control Analysis (MICA)
This paper describes the Model for Intersection Control Analysis (MICA). The Intersection Control Analysis is a comprehensive investigation that compares the collected data to the signal...

Microcomputer Traffic Records System for Accident Analysis
Over the last few years, the Illinois Department of Transportation has been developing an integrated microcomputer traffic records system designed to record and analyze accident, citation,...

ARES: an Accident Report Entry System for Local Agencies
The ARES microcomputer workstation system permits local police and engineering agencies to enter their own Michigan traffic accident reports from the statewide standard Form UD-10. The...

Using Lap Tops as Connections to Minicomputers in the City of Portland
Over the past few years, the City of Portland has used a mix of personal computers and minicomputers to accomplish its mission. This paper describes four applications of using lap top...

Collection and Analysis of Speed and Delay Using Portable Microcomputers
Speed and delay studies are performed routinely on urban street networks. The data are used for a variety of transportation engineering purposes including signal timing design, roadway...

Data Collection Using a Portable Computer and Digitizing Tablet
This paper describes a data collection system developed by the New Hampshire Technology Transfer Center. The key features of this data collection method are its ease of use, single step...

Integrating Roadway Data in a Corporate Database
For road and highway management it is becoming increasingly important to integrate data such as: traffic, accidents, geometrics, pavement condition, maintenance and construction history....

U.S. Geological Survey DLG-3 and Bureau of the Census TIGER Data: Development and GIS Applications
The U.S. Geological Survey has been actively developing digital cartographic and geographic data and standards since the early 1970's. One product is Digital Line Graph data, which offer...

Census Data Available for Transportation Planners
In 1981 the U.S. Bureau of the Census set a goal to automate the full range of cartographic and geographic processes in time to serve the data collection, tabulation, and dissemination...

Synthetic O-D Microcomputer Trip Table Packages
Three microcomputer models for synthetic estimation of origin-destination trip tables are compared based on theoretical foundations, implementability, and operating performances. Each...

Lapsize Computers and Local Pavement Management
The purpose of this study is to examine the use of a portable computer, the GRIDcase Plus, in local pavement management. A software program in BASIC is developed to run on the GRID, to...

InTransit: Processing and Analyzing Transit Service Data with the Macintosh
InTransit is a database application based on 4th Dimension designed to facilitate the data processing and analysis phases. InTransit, in its present form, can process both ridecheck and...

Transit Route Planning Using Data Downloaded from UTPS
A comprehensive evaluation of alternative bus routing and service patterns was recently performed for the Alameda-Contra Costa (AC) Transit District, the principal public transit operator...

A Matching Algorithm That Eliminates the Need for Radio Signposts in Automatic Passenger Counters on Buses
Volumes of raw data collected using the Automatic Data Aquisition system are useless until they can be processed and transformed into meaningful reports and plots. This is done using a...

 

 

 

 

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