(BPT) - Kelly Twichel transformed a childhood challenge into a mission-driven business that's breaking down barriers and opening up the outdoors.

Sand and wheels don't mix. It's a simple physics problem that creates massive barriers for millions of people who use wheelchairs, scooters or other mobility devices. Yet, finding a practical, scalable solution has been anything but simple until San Diego entrepreneur Kelly Twichel started developing Access Trax . ×

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