Norwegian National Road 4, known as Riksvei 4, is a significant highway in Norway that connects the capital city, Oslo, to the town of Gjøvik. The road spans approximately 130 kilometers and serves as an important route for both local and regional traffic, facilitating travel and commerce. The route features a mix of urban and rural landscapes, passing through picturesque areas such as Hadeland and Ringerike. Along the way, travelers can enjoy scenic views of lakes, forests, and mountains, making it a popular choice for both commuters and tourists exploring the natural beauty of Norway.