The building I am working on has a shuttle service that brings employees to work from various city stops as well as local train stations. Usage of this program is tracked through card readers on the shuttles. We also have conducted a survey in order to account for HEVs, carpooling, telecommuting, etc. Does anyone know if it is acceptable to combine these results as long as we use data from the same week and do not double count? Thanks!
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Trista BrownProject Director
447 thumbs up
October 6, 2016 - 12:44 pm
Can survey administrators be posted at a location that would let you capture responses from occupants that get off the shuttle? That might be a better way to ensure you're getting the data according to the credit requirements. What you propose sounds like it might work if 100% of shuttle commuters use the shuttle all 5 days, but what if they travel by other means for a few of those days (or what if they didn't come to work at all and instead took a vacation day or telecommuted)? You'd have to count all of the trips that don't show up on the card reader as SOV trips. Although that would be a conservative approach, you wouldn't be getting the granular level of data that you'd get through a survey, and GBCI might have an issue with that.