The D-100 highway, also known as the E-5, is a major roadway in Turkey that connects the city of Istanbul to Ankara, the capital. It serves as a vital transportation route for both passenger and freight traffic, facilitating economic activities across the region. The highway spans approximately 1,200 kilometers and features multiple lanes, making it suitable for heavy traffic. Along the D-100 highway, travelers can find various amenities, including gas stations, restaurants, and rest areas. The route passes through several important cities, such as Bursa and Eskişehir, providing access to local attractions and services.