Projects and Grants per year
Personal profile
Expertise related to UN Sustainable Development Goals
In 2015, UN member states agreed to 17 global Sustainable Development Goals (SDGs) to end poverty, protect the planet and ensure prosperity for all. This person’s work contributes towards the following SDG(s):
Education/Academic qualification
Doctor of Philosophy, University College London
2016
Master of Science in Civil Engineering, Northwestern University
2002
Bachelor of Science in Civil Engineering, Cornell University
2000
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Dive into the research topics where Gregory Erhardt is active. These topic labels come from the works of this person. Together they form a unique fingerprint.
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Collaborations and top research areas from the last five years
Recent external collaboration from the last 5 years on country level. Dive into details by clicking on the dots.
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NSF SAI: A Linked Longitudinal American Community Survey Sub-Sample to Understand Commuting Behavior
9/15/24 → 8/31/27
Project: Research project
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SPR PRIME 2024
Kreis, S., Asher, J., Ashurst, K., Baskette, R., Beaven, B., Blackden, C., Blandford, B., Brown, M., Catchings, R., Caudill, R., Chen, M., Clay-Young, P., Creech, J., Dadi, G., Erhardt, G., Fields, M., Gibson, J., Goff, C., Graves, R., Green, E., Griffith, R., Harik, I., Jasper, J., Kirk, A., Koo, J., Li, Y., Marks, P., Martin, S., McIntosh, D., Miles, J., Moses, W., Nassereddine, H., Palle, S., Peiris, N., Ross, P., Sandlin, A., Scully, T., Souleyrette, R., Staats, W., Staats, E., Stamatiadis, N., Sun, L., VanDyke, C., Waddle, S., Wallace, C., Walton, J., Wang, T., Wilcoxson, J. & Zhang, X.
7/1/23 → 6/30/26
Project: Research project
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Center for Regional and Rural Connected Communities (CR2C2)
North Carolina A&T State University
6/1/23 → 1/14/25
Project: Research project
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SPR PRIME FY2023
Kreis, S., Asher, J., Ashurst, K., Baskette, R., Beaven, B., Blackden, C., Blandford, B., Catchings, R., Caudill, R., Chen, M., Clay-Young, P., Creech, J., Dadi, G., Erhardt, G., Fields, M., Gibson, J., Goff, C., Graves, R., Green, E., Griffith, R., Harik, I., Howell, B., Jasper, J., Kirk, A., Koo, J., Marks, P., Martin, S., McIntosh, D., Miles, J., Moses, W., Nassereddine, H., Palle, S., Peiris, N., Ross, P., Scully, T., Smith, S., Souleyrette, R., Staats, E., Staats, W., Stamatiadis, N., Sun, L., VanDyke, C., Waddle, S., Wallace, C., Walton, J., Wang, T., Wilcoxson, J., Zhang, X. & Rister, B.
7/1/22 → 6/30/26
Project: Research project
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SPR Prime FY2022
Kreis, S., Ashurst, K., Baskette, R., Baskette, R., Beaven, B., Blackden, C., Blandford, B., Catchings, R., Chen, M., Clay-Young, P., Creech, J., Dadi, G., Erhardt, G., Fields, M., Gibson, J., Goff, C., Graves, R., Green, E., Griffith, R., Harik, I., Howell, B., Jasper, J., Kirk, A., Koo, J., Marks, P., Marks, P., Martin, S., Moses, W., Nassereddine, H., Palle, S., Peiris, N., Ross, P., Scully, T., Smith, S., Souleyrette, R., Staats, E., Staats, W., Stamatiadis, N., Stromberg, A., Sun, L., VanDyke, C., Waddle, S., Wallace, C., Walton, J., Wang, T., Wilcoxson, J., Zhang, X., Grady, E., Rister, B., Taylor, T. & Wolfe, R.
7/1/21 → 6/30/25
Project: Research project
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Are public transit investments based on accurate forecasts? An analysis of the improving trend of transit ridership forecasts in the United States
Hoque, J. M., Zhang, I., Schmitt, D. & Erhardt, G. D., Aug 2024, In: Transportation Research Part A: Policy and Practice. 186, 104142.Research output: Contribution to journal › Article › peer-review
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Estimating and Implementing a Vehicle-Type Model in an Activity-Based Travel Model Framework
Erhardt, G., Hensle, D., Bradley, M., Imarah, M., Freedman, J., Gardner, M. & Stabler, B., 2024, (Accepted/In press) In: Transportation Research Record.Research output: Contribution to journal › Article › peer-review
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Simulating the effect of strategies to increase transit ridership by reallocating bus service: Two case studies
Erhardt, G. D., Goyal, V. S., Kressner, J., Berrebi, S. J., Brakewood, C. & Watkins, K. E., Jan 2024, In: Journal of Public Transportation. 26, 100080.Research output: Contribution to journal › Article › peer-review
Open Access -
The Activity-based model ABIT: Modeling 24 hours, 7 days a week
Moeckel, R., Huang, W. C., Ji, J., Llorca, C., Moreno, A. T., Staves, C., Zhang, Q. & Erhardt, G. D., 2024, In: Transportation Research Procedia. 78, p. 499-506 8 p.Research output: Contribution to journal › Conference article › peer-review
Open Access -
Understanding Ride-Hailing Sharing and Matching in Chicago Using Travel Time, Cost, and Choice Models
Mucci, R. & Erhardt, G. D., Feb 2024, In: Transportation Research Record. 2678, 2, p. 293-306 14 p.Research output: Contribution to journal › Article › peer-review