System performance monitoring and Train service providers Rail user education Regulators/Authorities Train service providers Media Maintain infrastructure Regulators/Authorities Table 4. Extract from formative SOCA WDA (new additions on top of Table 3 highlighted in bold) Functional purpose Contributing actors (redesigned Functions Contributing actors (redesigned system) system) Provide access across rail line Alert to presence of rail level crossing Road user Road user Detection and alert systems Regulators/Authorities Physical infrastructure Detection and alert systems Physical infrastructure Maintain priority access for rail traffic Alert to presence of train Detection and alert systems Rail user Regulators/Authorities Road user Physical infrastructure Regulators/Authorities Detection and alert systems Protect road users Behave appropriately for environment Rail user Rail user Road user Road user Pedestrians Pedestrians Regulators/Authorities Regulators/Authorities Detection and alert systems Detection and alert systems Train service providers Media Media Physical infrastructure Protect rail users Maintain road user and rail separation Rail user Rail user Road user Road user Pedestrians Pedestrians Regulators/Authorities Detection and alert systems Detection and alert systems Physical infrastructure Train service providers
Train service providers System performance monitoring and education Rail user Regulators/Authorities Train service providers Media Maintain infrastructure Regulators/Authorities Table 4. Extract from formative SOCA WDA (new additions on top of Table 3 highlighted in bold) Functional purpose Contributing actors (redesigned system) Functions Contributing actors (redesigned system) Provide access across rail line Road user Detection and alert systems Physical infrastructure Alert to presence of rail level crossing Road user Regulators/Authorities Detection and alert systems Physical infrastructure Maintain priority access for rail traffic Detection and alert systems Regulators/Authorities Physical infrastructure Alert to presence of train Rail user Road user Regulators/Authorities Detection and alert systems Protect road users Rail user Road user Pedestrians Regulators/Authorities Detection and alert systems Train service providers Media Physical infrastructure Behave appropriately for environment Rail user Road user Pedestrians Regulators/Authorities Detection and alert systems Media Protect rail users Rail user Road user Pedestrians Regulators/Authorities Detection and alert systems Train service providers Maintain road user and rail separation Rail user Road user Pedestrians Detection and alert systems Physical infrastructure
92_More_than_meets_the_eye_author_proof_.docx