Overview

This Function shall be capable of providing the following facilities:

(1) The ability to provide a physical barrier to prevent Vehicles from entering a part (zone) of the inter-urban road network, to which access is controlled.
(2) The ability to output (zone) a warning message to Drivers that a physical barrier will prevent them driving their Vehicles into the zone.
(3) If the Vehicles are detected actually entering the zone, the ability to send the Vehicle identity to the law enforcement functionality.

Functional Requirements

(a) continuously monitor for the arrival of the vehicle identity and inter-urban sensitive area access refused data flows
(b) when either of the data flows in (a) is received, start monitoring for the vehicle entering inter-urban zone data flow
(c) when the data flow in (b) is received, send a warning of illegal entry to the driver in the entering inter-urban zone data flow
(d) if the data flow in (b) continues to show that the vehicle is entering the zone then send the vehicle entering message to the Provide Support for Law Enforcement functionality.

Diagrams

Parent Higher Level Function

• 3.1.2.13 Manage Inter-urban Traffic Strategies

Input logical dataflows

• ftrfc-vehicle_entering_inter-urban_zone
• mt_inter-urban_zone_vehicle_identity
• pscs.mt_inter-urban_sensitive_area_access_refused

Output logical dataflows

• mt.psle_vehicle_entering_inter-urban_zone
• td-enterring_inter-urban_zone

User needs