Please choose the correct ending to complete the given sentence: Cars & Other Vehicles: [header] How to take your bike on the train [title] Plan out your route ahead of time, including transitions, walking, biking, and time of day. [step] Unfortunately, there is no standard procedure when taking bikes on public transit. Some trains allow it, some only on certain hours, and others never at all.

Ending1: That's why it's a good idea to have a plan for your route ahead of time before you ride. [title] Make sure you have everything you need on you when you begin. Ending2: Coupled with any transitions you might make, such as switching to a bus or light-rail, and it may seem easier to skip the bike altogether. However, knowing your entire route in advance will make planning far easier. Ending3: Even the newest, more common trains usually allow students to take bikes at designated intervals. When thinking about your trip, make sure you follow the train in logical order so that students don't get lost on their first train. Ending4: Choose the route and make sure you have the necessary equipment and gas. Also, avoid putting more than one bike in a train that tends to be full or crowded.

Answer format: ending1/ending2/ending3/ending4