1) The document discusses the development of road networks in India. It covers the historical overview of road development from ancient Roman roads to modern expressways and national highways.
2) It describes the different types of roads including expressways, national highways, state highways, and rural roads. It also provides details about the Ahmedabad-Vadodara Expressway as a case study.
3) The document outlines the methodology that will be used including analyzing traffic congestion, investigating lighting facilities, drainage systems, and providing cost calculations for road network features. It reviews several relevant literature sources on the topics.