Howell, K.M. Currans, S.R. Gehrke, G. Norton, & K.J. Clifton. (2018). Transportation impacts of affordable housing: Informing development review with travel behavior analysis. The Journal of Transport and Land Use 11(1): 103-118. 
Active Transportation & Micromobility
Research on human-powered mobility options such as bicycling, walking, and e-scooter use.
Journal Articles
S.R. Gehrke, & K.J. Clifton. (2017). A pathway linking smart growth neighborhoods to household-level pedestrian travel. Travel Behaviour and Society 7: 52-62.
S.R. Gehrke, & T.F. Welch. (2017). The built environment determinants of activity participation and walking near the workplace. Transportation 44(5): 941-956.
S.R. Gehrke, & K.J. Clifton. (2016). Toward a spatial-temporal measure of land-use mix. The Journal of Transport and Land Use 9(1): 171-186.
S.R. Gehrke, & K.J. Clifton. (2014). Operationalizing land use diversity at varying geographic scales and its connection to mode choice: Evidence from Portland, Oregon. Transportation Research Record: Journal of the Transportation Research Board 2453: 128-136.
Exploring engagement in household activities and decisions on residential tenure and household type.
R.B. Chen, S.R. Gehrke, J.H. Liu, Y. Jang, & K.J. Clifton. (2013). Exploring engagement in household activities and decisions on residential tenure and household type. Transportation Research Record: Journal of the Transportation Research Board 2344: 68-78.