Keep in mind that an entity’s state is limited to storing a maximum of 255 characters. That’s enough space to store the information for about ten routes. If you need to store more, you can abbreviate Route: and Time: to just R: and T: to provide extra space for more routes.
For the benefit of other members, who may have a similar question, please mark my reply above (the one containing the suggested value_template) with the Solution tag.
Only you, the author of this topic, can do that. It will place a checkmark next to the topic’s title and a link under your first post leading to the Solution. All of this announces to others that this topic has an accepted Solution.