There are multiple ways to transfer your data to a new iPhone:
We recommend using Dropbox with Road Trip. Road Trip will automatically backup your data on-line, and it's easy to restore or transfer your data to a new iPhone or iPad.
If you're not already a Dropbox user it's a free service and you don't have to install any additional software on your iPhone. Visit http://dropbox.com to create a free account, then sign in using Road Trip.
It's easy to set up Dropbox in Road Trip:
To transfer your data to a new device, simply repeat these steps on your new iPhone, iPad, or iPod Touch.
For further information, please see the link below.
You can email your Road Trip data to a new iOS device.
To email your data, select Sync and Backup -> Email This Vehicle and send the email to your new iOS device. The email will contain a file attachment that contains your data. Open this file attachment on your new iPhone and select Open with Road Trip.
For further information, please see the link below.
iTunes will automatically transfer your existing data to your new iPhone when you first synchronize with iTunes, provided that you restore from an existing backup when prompted.
Apple's instructions for upgrading your iPhone are here.