AASHTO Green Book

The AASHTO Green Book is a widely used guide by transportation engineers in the United States that establishes standards and best practices for planning, designing, and constructing highway and transportation infrastructure. It provides technical references for making roads safe, durable, and efficient, covering aspects such as geometric design, pavement, safety features, and environmental considerations. Essentially, it ensures that infrastructure projects meet consistent quality and safety standards, helping engineers create roads that serve communities effectively and sustainably.