Stage 2: Innovation and Assessment Requirements

Strategic Actions associated with this stage. This stream will collate the overall and detailed user needs for the innovation. These will be used to develop the pilot’s functional requirements or viewpoint, its physical context and the associated communication requirements. This step will utilise the user needs, collated within Stage 1 – aims and objectives, to develop a series of statements defining the requirements for the innovation. This step defines the functionality needed by the innovation to fulfil the requirements This step defines how the functionalities can be grouped into physical locations to form implementable innovation to fulfil the requirements This step, developed from the physical viewpoint, describes the communications links needed to provide implementable innovation and fulfil the requirements. This step, developed from the functional, physical and communications viewpoint, estimates the likely cost of implementing the innovation within the trial. Consideration may also be given to the potential total costs of implementing the innovation across the wider HA network following a successful assessment. The purpose of this stream is to determine key performance indicators (KPIs) for the pilot and develop the overall test methodology to assess these indicators. This stream will also consider the various impacts of the innovation and the likely cost of the overall assessment process. The extent and the practicality of the range of data collection issues would also be addressed. This step considers and determines the key performance indicators (KPIs) to be monitored by the pilot against which the impact of the innovation will be assessed. This step defines the methodology that will be used to measure and quantify the performance indicators defined in step 2.2.1. This step considers and estimates the impact that is anticipated through the implementation of the innovation in the pilot. This step estimates the likely cost of the assessment of the innovation within the pilot. The third stream in this stage is site selection. This includes developing the criteria for the consideration of the pilot site, traffic data analysis, health and safety assessment, environmental impact analysis and site identification. This step develops the criteria required to be fulfilled by the pilot site This step applies the criteria defined in step 2.3.1 to locations on the HA network or off road sites to identify the location of the pilot. After the completion of all three streams within Stage 2, consideration must be given to the overall viability and programming of the pilot. This will balance the estimated costs and impacts of the innovation itself, the assessment framework and the pilot location, identifying alternative procurement routes to ensure these provide flexibility for potential enhancements typically needed in pilots. This will be summarised within the full business case validating the assumptions made to support the continued investment within the pilot. Typical outputs that might be expected from this stage. Stage 1 Stage 3 Stage 3 Stage 4 Stage 5 No Yes

Stream 2.3 - Location

In this stream, the test site will be identified and selected. This will include developing the necessary criteria for the selection of the pilot site, the traffic data analysis, health and safety assessment and the environmental impact analysis.

The site selection is critical. An inappropriate site could lead to an inconclusive or even a negative result. For example, the benefit from ramp metering will only be obtained on certain sites depending on the traffic situation and geometric constraints[HA 2006G].

Final site selection should be carried out following the completion of Stage 1 when the aims and objectives have been determined. It will be carried out in parallel to the innovation requirement analysis and assessment requirement streams. Each of these streams is intrinsically linked and should not be considered in isolation from each other.