veganbikes

Typically the support vehicle is sort of on standby or at the next meet up point waiting for folks. You can call them when needed and just hang out and wait a little bit. The nice thing with a support vehicle is you can be pretty unencumbered so you don't have to take a massive amount of stuff though I still would have everything for minor repairs and flat fixes as well as some food and plenty of water as well as maybe some extra clothes for warmth or rain protection just in case. Have enough self sufficiency to get you through most of the little stuff and enough slightly bigger stuff just in case the support driver has an issue themselves. If you are planning on long lonely roads maybe make sure to take a look at the map and see where gas stations or hotels or any sort of place that might be able to help out should something happen nearby. Also consider any bike shops along the way especially if you have any places you are in for a day or two and also interesting ones (just to stop in and see because why the heck not).

Have plenty of fun along the way and have some stops where you can get out and do something other than cycling go see a museum or something like that stop off and have a family dinner at a nicer restaurant, maybe do a little hiking or something just to add a little variety.

In terms of lighting, a dynamo system will help greatly that way you always have light and don't have to worry about charging anything you can still have some USB rechargeable lights and swap them out at stops but a dynamo system will power lights front and rear so long as the front wheel is moving or the stand light has juice. Having two lights at the rear is never a bad thing. Plus with a dynamo you can also have a USB charger in the head tube (or mounted elsewhere) and charge your phone or navigation or music device (or sometimes it is all one thing especially these days). You could also just do a dynamo for charging but the lights are handy and don't require anything but movement of the front wheel which will be done through peddling and coasting which you are doing anyway.