[F1ANNEX I U.K. INDICATIVE ELEMENTS OF ROAD SAFETY IMPACT ASSESSMENTS]
Textual Amendments
1.Elements of a road safety impact assessment:U.K.
problem definition;
current situation and ‘do nothing’ scenario;
road safety objectives;
analysis of impacts on road safety of the proposed alternatives;
comparison of the alternatives, including cost-benefit analysis;
presentation of the range of possible solutions.
2.Elements to be taken into account:U.K.
fatalities and accidents, reduction targets against ‘do nothing’ scenario;
route choice and traffic patterns;
possible effects on the existing networks (e.g. exits, intersections, level crossings);
road users, including vulnerable users (e.g. pedestrians, cyclists, motorcyclists);
[F1traffic (e.g. traffic volume, traffic categorisation by type), including estimated pedestrian and bicycle flows determined from adjacent land-use attributes;]
seasonal and climatic conditions;
presence of a sufficient number of safe parking areas;
seismic activity.
[F1ANNEX II U.K. INDICATIVE ELEMENTS OF ROAD SAFETY AUDITS]
1.Criteria at the draft design stage:U.K.
geographical location (e.g. exposure to landslides, flooding, avalanches), seasonal and climatic conditions and seismic activity;
types of and distance between junctions;
number and type of lanes;
kinds of traffic admissible to the new road;
functionality of the road in the network;
meteorological conditions;
driving speeds;
cross-sections (e.g. width of carriageway, cycle tracks, foot paths);
horizontal and vertical alignments;
visibility;
junctions layout;
public transport and infrastructures;
road/rail level crossings[F1;]
[F2provision for vulnerable road users:
provision for pedestrians;
provision for cyclists, including the existence of alternative routes or separations from high-speed motor traffic;
provision for powered two-wheelers;
density and location of crossings for pedestrians and cyclists;
provision for pedestrians and cyclists on affected roads in the area;
separation of pedestrians and cyclists from high-speed motor traffic or the existence of direct alternative routes on lower class roads.]
Textual Amendments
2.Criteria for the detailed design stage:U.K.
layout;
coherent road signs and markings;
lighting of lit roads and intersections;
roadside equipment;
roadside environment including vegetation;
fixed obstacles at the roadside;
provision of safe parking areas;
[F1provision for vulnerable road users:
provision for pedestrians;
provision for cyclists;
provision for powered two-wheelers;]
user-friendly adaptation of road restraint systems (central reservations and crash barriers to prevent hazards to vulnerable users).
3.Criteria for the pre-opening stage:U.K.
safety of road users and visibility under different conditions such as darkness and under normal weather conditions;
readability of road signs and markings;
condition of pavements.
4.Criteria for early operation: assessment of road safety in the light of actual behaviour of users.U.K.
Audits at any stage may involve the need to reconsider criteria from previous stages.
[F2ANNEX IIa U.K. INDICATIVE ELEMENTS OF TARGETED ROAD SAFETY INSPECTIONS
1. Road alignment and cross-section: U.K.
visibility and sight distances;
speed limit and speed zoning;
self-explaining alignment (i.e. ‘ readability ’ of the alignment by road users);
access to adjacent property and developments;
access of emergency and service vehicles;
treatments at bridges and culverts;
roadside layout (shoulders, pavement drop-off, cut and fill slopes).
2. Intersections and interchanges: U.K.
appropriateness of intersection/interchange type;
geometry of intersection/interchange layout;
visibility and readability (perception) of intersections;
visibility at the intersection;
layout of auxiliary lanes at intersections;
intersection traffic control (e.g. stop controlled, traffic signals, etc.);
existence of pedestrian and cycling crossings.
3. Provision for vulnerable road users: U.K.
provision for pedestrians;
provision for cyclists;
provision for powered-two-wheelers;
public transport and infrastructures;
level crossings (noting, particularly, the type of crossing and if they are manned, unmanned, manual, or automated).
4. Lighting, signs and markings: U.K.
coherent road signs, not obscuring visibility;
readability of road signs (position, size, colour);
sign posts;
coherent road markings and delineation;
readability of road markings (position, dimensions and retroreflectivity under dry and wet conditions);
appropriate contrast of road markings;
lighting of lit roads and intersections;
appropriate roadside equipment.
5. Traffic signals: U.K.
operation;
visibility.
6. Objects, clear zones and road restraint systems: U.K.
roadside environment including vegetation;
roadside hazards and distance from carriageway or cycle path edge;
user-friendly adaptation of road restraint systems (central reservations and crash barriers to prevent hazards to vulnerable road users);
end treatments of crash barriers;
appropriate road restraint systems at bridges and culverts;
fences (in roads with restricted access).
7. Pavement: U.K.
pavement defects;
skid resistance;
loose material/gravel/stones;
ponding, water drainage.
8. Bridges and tunnels: U.K.
presence and number of bridges;
presence and number of tunnels;
visual elements representing hazards for the safety of the infrastructure.
9. Other issues: U.K.
provision of safe parking areas and rest areas;
provision for heavy vehicles;
headlight glare;
roadworks;
unsafe roadside activities;
appropriate information in ITS equipment (e.g. variable message signs);
wildlife and animals;
school zone warnings (if applicable).]
[F1ANNEX III U.K. INDICATIVE ELEMENTS OF NETWORK-WIDE ROAD SAFETY ASSESSMENTS
1. General: U.K.
type of road in relation to the type and size of regions/cities it connects;
length of road section;
area type (rural, urban);
land use (educational, commercial, industrial and manufacturing, residential, farming and agricultural, undeveloped areas);
property access points density;
presence of service road (e.g. for shops);
presence of road works;
presence of parking.
2. Traffic volumes: U.K.
traffic volumes;
observed motorcycle volumes;
observed pedestrian volumes on both sides, noting ‘ along ’ or ‘ crossing ’ ;
observed bicycle volumes on both sides, noting ‘ along ’ or ‘ crossing ’ ;
observed heavy vehicle volumes;
estimated pedestrian flows determined from adjacent land use attributes;
estimated bicycle flows determined from adjacent land use attributes.
3. Accident data: U.K.
number, location and cause of fatalities by road user group;
number and location of serious injuries by road user group.
4. Operational characteristics: U.K.
speed limit (general, for motorcycles; for trucks);
operating speed (85th percentile);
speed management and/or traffic calming;
presence of ITS devices: queue alerts, variable message signs;
school zone warning;
presence of school crossing supervisor at prescribed periods.
5. Geometric characteristics: U.K.
cross section characteristics (number, type and width of lanes, central median shoulders layout and material, cycle tracks, foot paths, etc.), including their variability;
horizontal curvature;
grade and vertical alignment;
visibility and sight distances.
6. Objects, clear zones and road restraint systems: U.K.
roadside environment and clear zones;
fixed obstacles at the roadside (e.g. lighting poles, trees, etc.);
distance of obstacles from roadside;
density of obstacles;
rumble strips;
road restraint systems.
7. Bridges and tunnels: U.K.
presence and number of bridges, as well as relevant information concerning them;
presence and number of tunnels, as well as relevant information concerning them;
visual elements representing hazards for the safety of the infrastructure.
8. Intersections: U.K.
intersection type and number of arms (noting in particular the type of control and the presence of protected turns);
presence of channelisation;
intersection quality;
intersecting road volume;
presence of level crossings (noting, in particular, the type of crossing and whether they are manned, unmanned, manual or automated).
9. Maintenance: U.K.
pavement defects;
pavement skid resistance;
shoulder condition (including vegetation);
condition of signs, markings and delineation;
condition of road restraint systems.
10. Vulnerable road users' facilities: U.K.
pedestrian and cycling crossings (surface crossings and grade separation);
cycling crossings (surface crossings and grade separation);
pedestrian fencing;
existence of sidewalk or separated facility;
bicycle facilities and their type (cycle paths, cycle lanes, other);
quality of pedestrian crossings with regard to the conspicuity and signposting of each facility;
pedestrian and cycling crossing facilities on entry arm of minor road joining network;
existence of alternative routes for pedestrians and cyclists where there are no separated facilities.
11. Pre/post-crash systems for traffic injury and gravity mitigation elements: U.K.
network operational centres and other patrolling facilities;
mechanisms to inform road users of driving conditions in order to prevent accidents or incidents;
AID (automatic incident detection) systems: sensors and cameras;
incident management systems;
systems for communicating with emergency services.]
ANNEX IVU.K.ACCIDENT INFORMATION CONTAINED IN ACCIDENT REPORTS
Accident reports include the following elements:
[F1location of the accident (as precise as possible), including GNSS coordinates;]
pictures and/or diagrams of the accident site;
date and hour of accident;
information on the road such as area type, road type, junction type incl. signalling, number of lanes, markings, road surface, lighting and weather conditions, speed limit, roadside obstacles;
[F1accident severity;]
characteristics of the persons involved such as age, sex, nationality, alcohol level, use of safety equipment or not;
data on the vehicles involved (type, age, country, safety equipment if any, date of last periodical technical check according to applicable legislation);
accident data such as accident type, collision type, vehicle and driver manoeuvre;
whenever possible, information on the time elapsed between the time of the accident and the recording of the accident, or the arrival of the emergency services.