| 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 | 509 | 2019 |
| 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 | 257 | 2019 |
| 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 | 89 | 2022 |
| 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 | 79 | 2022 |
| NCHRP Synthesis 406: Advanced Practices in Travel Forecasting R Donnelly, GD Erhardt, R Moeckel, WA Davidson Washington, DC, 2010 | 57* | 2010 |
| 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 | 52 | 2021 |
| 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 | 41 | 2007 |
| 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 | 37 | 2020 |
| TNCs & Congestion J Castiglione, D Cooper, B Sana, D Tischler, T Chang, GD Erhardt, S Roy, ... | 37 | 2018 |
| 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 | 26 | 2021 |
| 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 | 23 | 2018 |
| The changing accuracy of traffic forecasts JM Hoque, GD Erhardt, D Schmitt, M Chen, A Chaudhary, M Wachs, ... Transportation 49 (2), 445-466, 2022 | 22 | 2022 |
| 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 | 20 | 2021 |
| 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 | 19 | 2010 |
| 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 | 18 | 2003 |
| 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 | 17 | 2017 |
| 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 | 16 | 2012 |
| 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 | 13 | 2018 |
| 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 | 13 | 2008 |
| Traffic Forecasting Accuracy Assessment Research GD Erhardt, J Hoque, M Chen, R Souleyrette, D Schmitt, A Chaudhary, ... NCHRP Research Report, 2020 | 11 | 2020 |
Mei ChenUniversity of KentuckyVerified email at uky.edu
