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G

Gregory D. Erhardt

University of Kentucky

14H指数
81论文数
1.2K被引数
收录论文 8
发表时间
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Do Transportation Network Companies (TNCs) improve or worsen road safety? Assessing crash impacts in San Francisco交通网络公司(TNCs)是改善了还是恶化了道路安全？评估旧金山的事故影响
errJournal of Safety Research
IF4.4
err2025-10-02
err0
PREAI
errVedant S. Goyal; Gregory D. Erhardt; Nikiforos Stamatiadis; Christopher R. Bollinger
err分享
err收藏
Are public transit investments based on accurate forecasts? An analysis of the improving trend of transit ridership forecasts in the United States
errTRANSPORTATION RESEARCH PART A-POLICY AND PRACTICE
IF6.8
err2024-08-01
err1
PREAI
errHoque, Jawad Mahmud; Zhang, Ian; Schmitt, David; Erhardt, Gregory D.
err分享
err收藏
Why has public transit ridership declined in the United States?
errTRANSPORTATION RESEARCH PART A-POLICY AND PRACTICE
IF6.8
err2022-07-01
err74
errOAAI
errErhardt, Gregory D.; Hoque, Jawad Mahmud; Goyal, Vedant; Berrebi, Simon; Brakewood, Candace; Watkins, Kari E.
err分享
err收藏
Estimating the uncertainty of traffic forecasts from their historical accuracy
errTRANSPORTATION RESEARCH PART A-POLICY AND PRACTICE
IF6.8
err2021-05-01
err15
errOAAI
errHoque, Jawad Mahmud; Erhardt, Gregory D.; Schmitt, David; Chen, Mei; Wachs, Martin
err分享
err收藏
Do transportation network companies increase or decrease transit ridership? Empirical evidence from San Francisco运输网络公司增加还是减少过境乘车人数？来自旧金山的经验证据
errTRANSPORTATION
IF3.3
err2021-02-28
err61
errOAAI
errErhardt, Gregory D.; Mucci, Richard Alexander; Cooper, Drew; Sana, Bhargava; Chen, Mei; Castiglione, Joe
err分享
err收藏
The changing accuracy of traffic forecasts
errTRANSPORTATION
IF3.3
err2021-02-26
err14
errOAAI
errHoque, Jawad Mahmud; Erhardt, Gregory D.; Schmitt, David; Chen, Mei; Chaudhary, Ankita; Wachs, Martin; Souleyrette, Reginald R.
err分享
err收藏
Do transportation network companies decrease or increase congestion?
errSCIENCE ADVANCES
IF12.5
err2019-05-03
err323
errOAAI
errErhardt, Gregory D.; Roy, Sneha; Cooper, Drew; Sana, Bhargava; Chen, Mei; Castiglione, Joe
err分享
err收藏
User response to autonomous vehicles and emerging mobility systems
errTRANSPORTATION
IF3.3
err2018-11-02
err6
errOAAI
errAkar, Gulsah; Erhardt, Gregory D.
err分享
err收藏

研究方向

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合作学者
合作期刊
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Mei Chen
H 指数: 70 · 论文数: 613
M
Martín Wachs
H 指数: 31 · 论文数: 366
G
Gulsah Akar
H 指数: 26 · 论文数: 81
K
Kari Watkins
H 指数: 25 · 论文数: 160
N
Nikiforos Stamatiadis
H 指数: 24 · 论文数: 242
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