HR job title
- TTI Research Engineer
- Contact Info
- 1 817 462 0519
Geedipally, Srinivas TTI Associate Research Engineer
Positions
- TTI Associate Research Engineer, Center for Transportation Safety, Texas A&M Transportation Institute (TTI)
- Overview
- Publications
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Overview
Publications
selected publications
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academic article
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Geedipally, S. R., & Lord, D.
(2010).
Investigating the effect of modeling single-vehicle and multi-vehicle crashes separately on confidence intervals of Poisson-gamma models. Accident Analysis and Prevention.
42(4), 1273-1282.
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Shirazi, M., Reddy Geedipally, S., & Lord, D.
A Monte-Carlo simulation analysis for evaluating the severity distribution functions (SDFs) calibration methodology and determining the minimum sample-size requirements. Accident Analysis and Prevention.
98, 303-311.
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Geedipally, S. R., Lord, D., & Dhavala, S. S.
A caution about using deviance information criterion while modeling traffic crashes. SAFETY SCIENCE.
62, 495-498.
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Shirazi, M., Dhavala, S. S., Lord, D., & Geedipally, S. R.
A methodology to design heuristics for model selection based on the characteristics of data: Application to investigate when the Negative Binomial Lindley (NB-L) is preferred over the Negative Binomial (NB). Accident Analysis and Prevention.
107, 186-194.
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Shirazi, M., Geedipally, S. R., & Lord, D.
A procedure to determine when safety performance functions should be recalibrated. Journal of Transportation Safety and Security.
9(4), 457-469.
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Shirazi, M., Lord, D., Dhavala, S. S., & Geedipally, S. R.
A semiparametric negative binomial generalized linear model for modeling over-dispersed count data with a heavy tail: Characteristics and applications to crash data. Accident Analysis and Prevention.
91, 10-18.
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Shirazi, M., & Geedipally, S. R.
A simulation analysis to explore when using a calibration function is preferred over a scalar factor for calibrating safety performance functions. Journal of Transportation Safety and Security.
15(4), 335-349.
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Shirazi, M., Geedipally, S. R., & Lord, D.
A simulation analysis to study the temporal and spatial aggregations of safety datasets with excess zero observations. Transportmetrica A: Transport Science.
17(4), 1305-1317.
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Geedipally, S. R., Bonneson, J. A., Pratt, M. P., & Lord, D.
Analysis of Injury Severity in Crashes on Ramps and at Crossroad Ramp Terminals. Transportation Research Record.
2435(2435), 37-44.
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Pratt, M. P., Geedipally, S. R., & Pike, A. M.
Analysis of Vehicle Speeds and Speed Differentials in Curves. Transportation Research Record.
2486(2486), 28-36.
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Geedipally, S. R., Lord, D., & Park, B.
Analyzing Different Parameterizations of the Varying Dispersion Parameter as a Function of Segment Length. Transportation Research Record.
2103(2103), 108-118.
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Lord, D., Guikema, S. D., & Geedipally, S. R.
Application of the Conway-Maxwell-Poisson generalized linear model for analyzing motor vehicle crashes. Accident Analysis and Prevention.
40(3), 1123-1134.
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Khazraee, S. H., Sez-Castillo, A. J., Geedipally, S. R., & Lord, D.
Application of the Hyper-Poisson Generalized Linear Model for Analyzing Motor Vehicle Crashes. Risk Analysis.
35(5), 919-930.
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Lord, D., Kuo, P., & Geedipally, S. R.
Comparison of Application of Product of Baseline Models and Accident-Modification Factors and Models with Covariates Predicted Mean Values and Variance. Transportation Research Record.
2147(2147), 113-122.
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Pratt, M. P., Geedipally, S. R., & Le, M.
Cross-Sectional Study of Vehicle Speeds on Rural Four-Lane Highway Curves. Transportation Research Record.
2674(10), 15-27.
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Geedipally, S. R., Das, S., Pratt, M. P., & Lord, D.
Determining Skid Resistance Needs on Horizontal Curves for Different Levels of Precipitation. Transportation Research Record.
2674(9), 358-370.
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Wu, L., Lord, D., & Geedipally, S. R.
Developing Crash Modification Factors for Horizontal Curves on Rural Two-Lane Undivided Highways Using a Cross-Sectional Study. Transportation Research Record.
2636(2636), 53-61.
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Shaon, M., Qin, X., Shirazi, M., Lord, D., & Geedipally, S. R.
Developing a Random Parameters Negative Binomial-Lindley Model to analyze highly over-dispersed crash count data. Analytic Methods in Accident Research.
18, 33-44.
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Peng, Y., Geedipally, S. R., & Lord, D.
Effect of Roadside Features on Single-Vehicle Roadway Departure Crashes on Rural Two-Lane Roads. Transportation Research Record.
2309(2309), 21-29.
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Ko, M., Geedipally, S. R., & Walden, T. D.
Effectiveness and Site Selection Criteria for Red Light Camera Systems. Transportation Research Record.
2327(2327), 53-60.
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Geedipally, S. R., & Lord, D.
Effects of Varying Dispersion Parameter of Poisson-Gamma Models on Estimation of Confidence Intervals of Crash Prediction Models. Transportation Research Record.
2061(2061), 46-54.
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Geedipally, S. R., Pratt, M. P., & Lord, D.
Effects of geometry and pavement friction on horizontal curve crash frequency. Journal of Transportation Safety and Security.
11(2), 167-188.
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Ko, M., Geedipally, S. R., Walden, T. D., & Wunderlich, R. C.
Effects of red light running camera systems installation and then deactivation on intersection safety. JOURNAL OF SAFETY RESEARCH.
62, 117-126.
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Le, M., Geedipally, S. R., Fitzpatrick, K., & Avelar, R. E.
Estimating Pedestrian Volumes for Signalized and Stop-Controlled Intersections. Transportation Research Record.
2674(9), 799-808.
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Zou, Y., Geedipally, S. R., & Lord, D.
Evaluating the double Poisson generalized linear model. Accident Analysis and Prevention.
59, 497-505.
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Geedipally, S. R., Lord, D., & Reddy, G.
Evaluation of Texas Department of Transportation Safety Improvement Index as a Prioritization Tool. Transportation Research Record.
2241(2241), 39-50.
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Geedipally, S. R., & Lord, D.
Examination of Crash Variances Estimated by Poisson-Gamma and Conway-Maxwell-Poisson Models. Transportation Research Record.
2241(2241), 59-67.
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Geedipally, S. R., Shirazi, M., & Lord, D.
Exploring the Need for Region-Specific Calibration Factors. Transportation Research Record.
2636(2636), 73-79.
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Vangala, P., Lord, D., & Geedipally, S. R.
Exploring the application of the Negative Binomial-Generalized Exponential model for analyzing traffic crash data with excess zeros. Analytic Methods in Accident Research.
7, 29-36.
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Lord, D., Geedipally, S. R., & Guikema, S. D.
Extension of the application of conway-maxwell-poisson models: analyzing traffic crash data exhibiting underdispersion. Risk Analysis.
30(8), 1268-1276.
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Pratt, M. P., Geedipally, S. R., Dadashova, B., Wu, L., & Shirazi, M.
Familiar versus Unfamiliar Drivers on Curves: Naturalistic Data Study. Transportation Research Record.
2673(6), 225-235.
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Geedipally, S. R., & Lord, D.
Identifying Hot Spots by Modeling Single-Vehicle and Multivehicle Crashes Separately. Transportation Research Record.
2147(2147), 97-104.
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Das, S., Geedipally, S. R., & Fitzpatrick, K.
Inclusion of speed and weather measures in safety performance functions for rural roadways. IATSS Research.
45(1), 60-69.
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Das, S., Geedipally, S. R., Dixon, K., Sun, X., & Ma, C.
Measuring the Effectiveness of Vehicle Inspection Regulations in Different States of the US. Transportation Research Record.
2673(5), 208-219.
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Fitzpatrick, K., Geedipally, S., Kutela, B., & Koonce, P.
Midblock Pedestrian Signal Safety Effectiveness. Transportation Research Record.
2678(4), 243-256.
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Geedipally, S. R., & Pratt, M. P.
Predicting the Distribution of Vehicle Travel Paths along Horizontal Curves. Journal of Transportation Engineering Part A Systems.
143(7), 04017021.
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Kutela, B., Avelar, R. E., Geedipally, S. R., & Jhamb, A.
Prediction of Occurrence and Severity of Run-off-Roadway Crashes on Rural Two-Lane Roadways Using Bayesian Networks. Transportation Research Record.
2676(3), 371-384.
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Geedipally, S. R., Songchitruksa, P., & Pike, A. M.
Quantifying the Effectiveness of Performance-Based Pavement Marking Maintenance Contracts. Transportation Research Record.
2482(2482), 23-31.
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Das, S., & Geedipally, S.
Rural Speed Safety Project for USDOT Safety Data Initiative: Findings and Outcomes. ITE Journal (Institute of Transportation Engineers).
90(9), 38-44.
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Wu, L., Geedipally, S. R., & Pike, A. M.
Safety Evaluation of Alternative Audible Lane Departure Warning Treatments in Reducing Traffic Crashes: An Empirical Bayes Observational Before-After Study. Transportation Research Record.
2672(21), 30-40.
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Geedipally, S., Das, S., Wu, L., & Pratt, M. P.
Safety Performance Functions for Frontage Roads. Transportation Research Record.
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Shirazi, M., Lord, D., & Geedipally, S. R.
Sample-size guidelines for recalibrating crash prediction models: Recommendations for the highway safety manual. Accident Analysis and Prevention.
93, 160-168.
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Geedipally, S. R., Bonneson, J. A., Pratt, M. P., & Lord, D.
Severity Distribution Functions for Freeway Segments. Transportation Research Record.
2398(2398), 19-27.
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Cheng, L., Geedipally, S. R., & Lord, D.
The Poisson-Weibull generalized linear model for analyzing motor vehicle crash data. SAFETY SCIENCE.
54, 38-42.
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Lord, D., & Geedipally, S. R.
The negative binomial-Lindley distribution as a tool for analyzing crash data characterized by a large amount of zeros. Accident Analysis and Prevention.
43(5), 1738-1742.
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Geedipally, S. R., Lord, D., & Dhavala, S. S.
The negative binomial-Lindley generalized linear model: characteristics and application using crash data. Accident Analysis and Prevention.
45, 258-265.
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Wu, L., Dadashova, B., Geedipally, S., Pratt, M. P., & Shirazi, M.
Using naturalistic driving study data to explore the association between horizontal curve safety and operation on rural two-lane highways. Journal of Transportation Safety and Security.
13(8), 896-913.
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Das, S., Mudgal, A., Dutta, A., & Geedipally, S. R.
Vehicle Consumer Complaint Reports Involving Severe Incidents: Mining Large Contingency Tables. Transportation Research Record.
2672(32), 72-82.
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Geedipally, S. R., & Lord, D.
(2010).
Investigating the effect of modeling single-vehicle and multi-vehicle crashes separately on confidence intervals of Poisson-gamma models. Accident Analysis and Prevention.
42(4), 1273-1282.
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book
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Lord, D., Qin, X., & Geedipally, S. R.
Highway Safety Analytics and Modeling. Elsevier.
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Lord, D., Qin, X., & Geedipally, S. R.
Highway Safety Analytics and Modeling. Elsevier.
Contact
first name
- Srinivas
has last name
- Geedipally
mailing address
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Texas A&M Transportation Institute
Center For Transportation Safety
3135 TAMUS
Arlington, TX 76013
USA
Other
- srinivas8@tamu.edu