How do you get hippodamian plan in call ofroma?

In "Call of Roma," to achieve the Hippodamian plan, you need to focus on city planning principles that emphasize grid layouts and organized street systems. Build structures that reflect the Hippodamian grid system, ensuring that your city has a clear and rational layout. Prioritize the construction of essential buildings that enhance the infrastructure and connectivity of your city. Additionally, maintain a balance between residential, commercial, and civic spaces to fully realize the benefits of this planning style.