- Who
- Siemens Rail Systems USA
- What
- 24.596 kilometre(s)
- Where
- United States (San Diego,San Diego Metropolitan Transit System, California, USA)
- When
The longest distance travelled in 24 hours by a battery-powered tram on a single charge is 24.596 km (15.283 miles) and was achieved by Siemens Rail Systems USA, using a Siemens S70 Ultra-Short Light Rail Vehicle on the Green Line of the San Diego Metropolitan Transit System (MTS) in San Diego, California, USA, on 15 July 2014.