Which authorities have the power to halt river traffic?

The authority to halt river traffic can indeed reside with multiple stakeholders, each of whom holds specific jurisdiction in managing waterways.

The District Commander is a key figure in overseeing operations within a designated area of jurisdiction, often under the U.S. Coast Guard's authority. This commander has the power to implement safety measures, including halting traffic if conditions warrant, such as hazardous weather or incidents.

The Captain of the Port (COTP) also plays a crucial role in maritime safety and security. The COTP has the authority to regulate and control vessel movements in the ports and surrounding waters. This includes the power to stop traffic to ensure safety, prevent accidents, and respond effectively to emergencies.

The Vessel Traffic Service (VTS) Director is responsible for monitoring and managing vessel traffic in congested waters. Their authority allows them to provide guidance and, if necessary, to halt traffic to maintain safe navigation and to respond to various maritime incidents or environmental concerns.

Each of these authorities plays a vital role in ensuring the safety and security of river traffic, making it essential to recognize that the ability to halt traffic stems from a collaborative effort among them. Thus, the answer encapsulates the shared responsibility across these roles in maintaining safe and efficient waterway management.