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1. Elements of a road safety impact assessment:

(a) problem definition;

(b) current situation and ‘do nothing’ scenario;

(c) road safety objectives;

(d) analysis of impacts on road safety of the proposed alternatives;

(e) comparison of the alternatives, including cost-benefit analysis;

(f) presentation of the range of possible solutions.

2. Elements to be taken into account:

(a) fatalities and accidents, reduction targets against ‘do nothing’ scenario;

(b) route choice and traffic patterns;

(c) possible effects on the existing networks (e.g. exits, intersections, level crossings);

(d) road users, including vulnerable users (e.g. pedestrians, cyclists, motorcyclists);

(e) traffic (e.g. traffic volume, traffic categorisation by type), including estimated pedestrian and bicycle flows determined from adjacent land-use attributes;

(f) seasonal and climatic conditions;

(g) presence of a sufficient number of safe parking areas;

(h) seismic activity.