US: Amtrak
https://www.amtrak.com/bring-your-bicycle-onboard
- E-bikes must be certified by a nationally recognized testing laboratory and comply with safety standards (UL 2849 for bikes and UL 2271 for batteries) .
- Accepted e-bikes are low-speed with a motor producing less than 750W and a maximum speed of 20 mph when powered solely by the motor.
- Folding e-bikes must fit within dimensions of 34" x 15" x 48" and can be stored in luggage areas or bike rack cars. A fee may apply for bike transportation
UK：
The UK’s railway system is operated by different railway companies, which follow different cycle policies:
- London Northwestern railway：
https://www.londonnorthwesternrailway.co.uk/travel-information/onboard-facilities/cycle-spaces
- Southern railway：
https://www.southernrailway.com/travel-information/onboard-travel/bringing-a-bike
Germany： Deutsche Bahn （DB）
Spain: Renfe
France: SNCF (Société Nationale des Chemins de fer Français)
https://www.sncf-connect.com/en-en/help/travelling-your-bike
When checking the rules, pay attention to the rules for the types of vehicles allowed (weight, size, motor parameters, etc.), whether reservations/extra tickets are required, and whether there are restrictions during peak hours. If you do not get relevant information, check specific train operators for the most accurate and updated information before traveling.