Overview

This Function shall be capable of providing the following facilities:

(1) The ability to detect vehicles using the entrances and exits of car parks in the urban road network.
(2) The ability to collect the data as raw input by sensors that are capable of detecting the passage and presence of all types of road vehicle, from bicycles to Heavy Goods Vehicles (HGV's).
(3) The ability to process the data to provide actual vehicle count data, i.e. numbers of vehicles, using the entrances and exits of each car park.
(4) The ability to send the processed data to other functionality for collation and use in traffic management.

Functional Requirements

(a) the presence of the trigger input data flow shall be continuously monitored
(b) the analogue data representing the raw traffic flow data obtained in (a) shall be converted into digital data that separately shows the numbers of vehicles entering and leaving the car park
(c) the data for each car park in the urban road network shall be kept separate and split into vehicles entering and leaving
(d) the trigger output data flow shall be used to send the data in (c) to the Calculate Car Park Occupancy and Status function.

Diagrams

Parent Higher Level Function

• 3.1.4 Provide Management of Car Parks

Input logical dataflows

• ftrfc-carpark_vehicle_data

Output logical dataflows

• mt_carpark_entrance_exit_vehicle_detection

User needs