What type of patrol is focused on determining the movement along a specified route?

The focus of the patrol type that is aimed specifically at assessing movement along a designated path or route is accurately represented by route reconnaissance. This form of patrol is essential for identifying enemy activity, locating obstacles, and understanding the terrain along the route of travel, which is crucial for mission planning and execution.

Route recon is often tasked with several objectives including gathering intelligence concerning the enemy's presence, ensuring the route is clear for allied movement, and assessing the route's suitability for operations. This reconnaissance plays a vital role in ensuring the safety and effectiveness of troop movements, providing commanders with critical information that can influence strategic decisions. It allows for proactive planning and risk mitigation by ensuring that potential threats and challenges along the route are identified in advance.

The other options refer to different types of reconnaissance with distinct objectives. Zone recon focuses on a specified geographic area to assess enemy capabilities and activities, while area recon involves obtaining detailed information about an area of operations. Recon patrol generally refers to a more general reconnaissance task rather than the specific focus on a route.