The A109 road is a significant route in the United Kingdom, primarily located in London. It connects the A503 road in Camberwell to the A205 road in Forest Hill. This road serves as an important link for local traffic and provides access to various neighborhoods along its path. The A109 is approximately 3.5 miles long and runs through several areas, including Dulwich and Sydenham. It is mainly a single carriageway and features a mix of residential and commercial properties, making it a vital thoroughfare for both commuters and local residents.