"Get the show on the road" is a common phrase used to encourage someone to get started or move things along. If you are looking for alternative ways to express this idea, there are several similar phrases you can use. One such option is "get the ball rolling," which implies getting started with a project or task. Another similar phrase is "kick things off," which also suggests initiating something. You can also say "let's get cracking," which means it's time to start working. Other synonyms for "get the show on the road" include "get started," "begin," "commence," and "launch," each imparting a sense of urgency or importance.