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Gregory D. Erhardt
Gregory D. Erhardt
Bestätigte E-Mail-Adresse bei uky.edu - Startseite
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Zitiert von
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Do transportation network companies decrease or increase congestion?
GD Erhardt, S Roy, D Cooper, B Sana, M Chen, J Castiglione
Science Advances 5 (5), eaau2670, 2019
5642019
Understanding the Recent Transit Ridership Decline in Major US Cities: Service Cuts or Emerging Modes?
M Graehler Jr, RA Mucci, GD Erhardt
Transportation Research Board 98th Annual MeetingTransportation Research Board, 2019
2682019
Why has public transit ridership declined in the United States?
GD Erhardt, JM Hoque, V Goyal, S Berrebi, C Brakewood, KE Watkins
Transportation Research Part A: Policy and Practice 161, 68-87, 2022
1092022
Do transportation network companies increase or decrease transit ridership? Empirical evidence from San Francisco
GD Erhardt, RA Mucci, D Cooper, B Sana, M Chen, J Castiglione
Transportation 49 (2), 313-342, 2022
1052022
The impacts of shared e-scooters on bus ridership
A Ziedan, W Darling, C Brakewood, G Erhardt, K Watkins
Transportation research part A: policy and practice 153, 20-34, 2021
682021
NCHRP Synthesis 406: Advanced Practices in Travel Forecasting
R Donnelly, GD Erhardt, R Moeckel, WA Davidson
Washington, DC, 2010
58*2010
Ohio long-distance travel model
GD Erhardt, J Freedman, A Stryker, H Fujioka, R Anderson
Transportation Research Record: Journal of the Transportation Research Board …, 2007
422007
TNCs & Congestion
J Castiglione, D Cooper, B Sana, D Tischler, T Chang, GD Erhardt, S Roy, ...
412018
Why is traffic congestion getting worse? A decomposition of the contributors to growing congestion in San Francisco-Determining the Role of TNCs
S Roy, D Cooper, A Mucci, B Sana, M Chen, J Castiglione, GD Erhardt
Case Studies on Transport Policy 8 (4), 1371-1382, 2020
402020
Evaluating the Ability of Transit Direct Ridership Models to Forecast Medium-Term Ridership Changes: Evidence from San Francisco
RA Mucci, GD Erhardt
Transportation Research Record 2672 (46), 21-30, 2018
302018
Estimating the uncertainty of traffic forecasts from their historical accuracy
JM Hoque, GD Erhardt, D Schmitt, M Chen, M Wachs
Transportation Research Part A: Policy and Practice 147, 339-349, 2021
292021
The changing accuracy of traffic forecasts
JM Hoque, GD Erhardt, D Schmitt, M Chen, A Chaudhary, M Wachs, ...
Transportation 49 (2), 445-466, 2022
282022
Recent Decline in Public Transportation Ridership: Analysis, Causes, and Responses
K Watkins, S Berrebi, G Erhardt, J Hoque, V Goyal, C Brakewood, ...
TCRP Research Report, 2021
212021
Evaluating Regional Pricing Strategies in San Francisco--Application of the SFCTA Activity-Based Regional Pricing Model
E Sall, E Bent, J Koehler, B Charlton, GD Erhardt
Transportation Research Board 89th Annual Meeting, 2010
202010
Modeling the choice to use toll and high-occupancy vehicle facilities
G Erhardt, F Koppelman, J Freedman, W Davidson, A Mullins
Transportation Research Record: Journal of the Transportation Research Board …, 2003
182003
A big data mashing tool for measuring transit system performance
GD Erhardt, O Lock, E Arcaute, M Batty
Seeing cities through big data: Research, methods and applications in urban …, 2017
172017
MTC’s Travel Model One: Applications of an Activity-Based Model in its First Year
G Erhardt, D Ory, A Sarvepalli, J Freedman, J Hood, B Stabler
5th Transportation Research Board Innovations in Travel Modeling Conference …, 2012
172012
Evaluating the biases and sample size implications of multi-day GPS-enabled household travel surveys
GD Erhardt, L Rizzo
Transportation Research Procedia 32, 279-290, 2018
142018
Enhancement and application of an activity-based travel model for congestion pricing
GD Erhardt, B Charlton, J Freedman, J Castiglione, M Bradley
Transportation Research Board Innovations in Travel Modeling Conference …, 2008
132008
Traffic Forecasting Accuracy Assessment Research
GD Erhardt, J Hoque, M Chen, R Souleyrette, D Schmitt, A Chaudhary, ...
NCHRP Research Report, 2020
122020
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