Transitioning to a greener future for Charleston with BEBs
The Charleston Area Regional Transportation Authority, or CARTA, is Charleston’s transit service provider. With an eye on a more sustainable future, they initiated their commitment to green transportation with an initial pilot program of six battery electric buses (BEBs). They sought guidance from us for the continued expansion of their BEB fleet and charging capabilities, so we’re developing a comprehensive roadmap for CARTA’s transition to a future 100 percent zero-emissions bus fleet.
Getting to work, we analyzed potential service changes to evaluate the impact of the relocation of a transit hub. Through public engagement events at the old transfer center and online surveys, we provided a clearer picture of ridership and how to best transition to the new transit center while maintaining service levels. Determining bus fleet requirements in a conversion to a 100 percent BEB fleet—as well as establishing what would be needed for additional charging infrastructure—we performed a complete bus performance and energy analysis of all CARTA fixed-route buses. We modeled each route to determine its ability to adopt BEB technology.
Using a combination of charging infrastructure, both on-route and at the operations and maintenance facility, and by implementing blocking and scheduling changes, we developed plans to make the transition feasible including a fleet management plan to schedule future bus purchases.
At a Glance
- Offices
Analy Castillo, Associate, Zero Emissions Technical Lead
I help transit agencies develop pragmatic plans for launching zero-emission bus fleets in the face of overwhelming challenges.
Pamela Bailey-Campbell, Senior Principal, Innovation Leader, Infrastructure
We’re creating next generation transportation solutions and moving communities towards a smart mobility future that puts people first.
Tony Zavanelli, Principal, Energy
The best feedback is being awarded with additional work. ‘Good job’ is nice to hear, but being entrusted with another project the best way to know that you are valued.
Will Todd, Senior Associate
Through the projects I work on and the relationships I form, it’s my goal to leave the world a better place than I found it.
Reb Guthrie, Principal, Fueling Infrastructure
Creative problem solving—in sometimes unexpected ways—while understanding and respecting user needs is easily the best part about my job.
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