Journal of Transportation and Statistics Volume 8 Number 2
Journal of Transportation and Statistics

NOTES: The views presented in the articles in this journal are those of the authors and not necessarily the views of the Bureau of Transportation Statistics. All material contained in this journal is in the public domain and may be used and reprinted without special permission; citation as to sources is required.
The Journal of Transportation and Statistics has been discontinued by BTS because of budget constraints. Papers are therefore no longer being accepted or considered for publication. BTS hopes to bring the Journal back as a virtual publication in the future, and will post any news about the status of JTS on this page.
Table of Contents  File Formats  

Entire Report 
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Contributors 
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Editorial Board 
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Front Matter 
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Paper 1  Precision of Geocoded Locations and Network Distance Estimates by V.S. Chalasani, J.M. Denstadli, Ø. Engebretsen, and K.W. Axhausen 
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Table 1  2001 NPTS: GeoInformation and Accuracy Level 
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Table 2  2001 NPTS: Accuracy of the Geocoded Trip Origins and Destinations by Area and Location 
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Table 3  Mikrozensus 2000: Rating of the Matching Quality by Type of Location 
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Table 4  Mikrozensus 2000: Matching Quality by Stage End 
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Table 5  2003 Thurgau: Matching Quality 
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Table 6  Mikrozensus 2000: Quality of the Geocoding of Trip Origins and Destinations 
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Table 7  Mikrozensus 2000: Distribution of the Reported and Calculated Distances 
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Table 8  Mikrozensus 2000: Detour Factors Between Different Distance Estimates 
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Table 9  2003 Thurgau: Detour Factors Between Different Distance Estimates 
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Table 10  2001 NPTS: Mean and Median Detour Factors Between STPD and CrowFly Distance by Distance Band 
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Table 11  2001 NPTS: Distribution of the Relative Deviations of Reported to STPD Estimates by Distance 
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Table 12  2001 NPTS: Detour Factors Between Reported and Shortest Time Path Distance 
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Table 13  2000 Mikrozensus: Detour Factors Between Reported and Shortest Distance Path Distance 
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Table 14  2003 Thurgau: Detour Factors Between Reported and Shortest Distance Path Distance 
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Table 15  Mikrozensus 2000: Linear Regression of Detour Factors Between Reported and Shortest Distance Path Distance on Reported Speed 
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Figure 1  Mikrozensus 2000: Comparison of the Distance Distributions 
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Figure 2  Ratios of Shortest Time Paths with CrowFly Distances 
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Figure 3  Statistics for the Distributions of Reported Distance Deviations with Respect to Calculated Distances 
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Paper 2  Respondent Behavior in Discrete Choice Modeling with a Focus on the Valuation of Travel Time Savings by David A. Hensher and John M. Rose 
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Table 1  Trip Attributes in Stated Choice Design 
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Table 2  Profile of the Attribute Range in the SC Design 
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Table 3  Summary of Empirical Results 
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Table 4  Incidence of Mixtures of Attributes Processed 
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Table 5  Values of Travel Time Savings (VTTS) 
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Figure 1  Example of a Stated Choice Screen 
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Figure 2  ComputerAided Personal Interview Questions on Attribute Relevance 
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Figure 3  Distribution of VTTS Under Alternative Attribute Processing Rules 
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Excel (375KB) 
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Paper 3  A Classification Tree Application to Predict Total Ship Loss by Dimitris X. Kokotos and Yiannis G. Smirlis 
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Table 1  Percentage of Accident Cases with Total Ship Loss for Different Types of Accidents 
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Table 2  Percentage of Accident Cases with Total ship Loss in Different Geographic Locations 
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Table 3  Classification Rates After Adjustment of Misclassification Cost for Total Loss = "yes" 
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Table 4  Conditions per Node for Expanding the Classification Tree 
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Figure 1  Relationship between the Type of Accident and the Type of Ship 
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Figure 2  Classsification of the Geographic Areas 
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Figure 3  Classification Tree Produced using Exhaustive CHAID after the Adjustments in Misclassification Costs 
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Paper 4  U.S. Transportation Models Forecasting Greenhouse Gas Emissions: An Evaluation from a User's Perspective by David Chien 
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Table 1  Technical Operating and Descriptive Characteristics for GHG Forecasting Models 
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Excel (22KB) 
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Paper 5  Estimating Confidence Intervals for Transport Mode Shore by Stephen D. Clark and John McKimm 
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Table 1  The Range of Measurement Errors for Buses 
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Table 2  Minimum Sample Size Requirements to Detect a Range of Target Reductions 
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Table 3  Estimated Standard Deviations for Mode Shares 
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Figure 1  Map Showing the Leeds Central Cordon and Arterial Corridors 
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Figure 2  Distribution of Car Mode Share 
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Figure 3  Estimated SingleCar Occupancey Mode Share 
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Paper 6  Analysis of Work Zone Gaps and RearEnd Collision Probability by Dazhi Sun and Rahim F. Benekohal 
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Table 1  Work Zone Platoon Characteristics 
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Table 2  Gap Size of Platooning Vehicles in Work Zones 
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Table 3  Results of ztest for Time Gap 
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Figure 1a  Percentage of Traffic in Platoons vs. Flow Rate: FourSecond Headway 
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Figure 1b  Percentage of Traffic in Platoons vs. Flow Rate: ThreeSecond Headway 
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Figure 2a  Platoon Size Distribution: ShortTerm Work Zone 
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Figure 2b  Platoon Size Distribution: LongTerm Work Zone 
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Figure 3  Effect of Platoon Size on Gap 
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Figure 4  Gap Distribution 
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Figure 5  Probability of a RearEnd Collision 
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Figure 6a  Probability and mean Size of RearEnd Collisions: Probability of RearEnd Collisions 
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Figure 6b  Probability and mean Size of RearEnd Collisions: Mean Number of RearEnd Collisions 
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Appendix 
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Paper 7  Sampling and Estimation Techniques for Estimating Bus System PassengerMiles by Peter G. Furth 
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Table 1  Comparison of Sampling Strategies 
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Table 2  Stratified Ratio Sampling Statistics 
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Book Reviews 
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Data Review 
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Table 1  Percentage Change in the Transportation Services Index by Month since January 2005 
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Table 2  Percentage Change in the Transportation Services Index from YeartoYear 
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Figure 1  Transportation Services Index: Total, Freight, and Passenger 
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New ASA Section on Transportation Statistics Seeks Members 
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Guidelines for Manuscript Submission 
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Back Cover 
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