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Integrated Project Co-operative Systems for Road Safety “Smart Vehicles on Smart Roads” Debra Topham [email protected] T1.2.1 Leader. SAFESPOT. Current Status of SP1. Use Case and basic scenario template defined SP1 view of actors defined. Users Other probe vehicles

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Integrated Project

Co-operative Systems for Road Safety

“Smart Vehicles on Smart Roads”

Debra Topham

[email protected]

T1.2.1 Leader


Current status of sp1
Current Status of SP1

  • Use Case and basic scenario template defined

  • SP1 view of actors defined

Current status of sp1 sp1 actors entities


Other probe vehicles




SP3 subsystem

Vehicle dynamics

Body management

Occupant safety systems

Environmental systems

Navigation system


Other vehicles

Pedestrian VRU

Cyclist VRU


Current Status of SP1: SP1 Actors/Entities

Current status of sp11

Road types





Weather Conditions





Road segment



Curved road

Straight road



Pedestrian crossing



Diurnal cycle



Current Status of SP1

  • Initial approach taken was to define scenario titles and attributes, however this did not provide a basis/justification for selection

Driving Scenario Attributes

Current status of sp1 initial scenarios

Vulnerable road user warning

Pedestrian in the road

Motorcycle overtaking

Pedestrian on the Zebra crossing

Pedestrian using pelican crossing

Hazard warning

Obstacle detected in the road

Vehicle travelling in the wrong direction

Emergency breaking

Driver braking erratically

Vehicle being driven erratically

Emergency vehicle approaching

Accident warning

Stolen vehicle warning

Environmental hazards (Fire/smoke, pollution)

Vehicle has run a red light

Road works/lane restrictions

Dangerous goods being transported

Train approaching road crossing

Heavy goods vehicle

Current Status of SP1:Initial Scenarios

Current status of sp1 initial scenarios1

Driving support

Vehicle exceeding advisory speed limit

Traffic lights about to change

Lane departure support

Road works

Uneven road surface

Lane closures

Lane departure support

Cooperative driving

Lane merge

Lane change

Traffic beyond range of ADAS sensors slowing down

Current Status of SP1: Initial Scenarios

Current status of sp12
Current Status of SP1

  • New approach now being followed to select and describe “basic scenarios”

    • Previous approach gave no basis or justification for the focus of SP1 scenarios

  • Preliminary selection of scenario titles made

  • Preliminary list of scenario titles described using basic scenario template

Sp1 scenario selection process 1
SP1 Scenario Selection Process (1)

  • In order to provide a basis for the selection of commonly agreed ‘priority scenarios’ between partners, the following approach has been taken:

  • Scenario groupings defined relating to generic affects on a normal (non-risky) driving situation that can trigger a scenario.

    • Normal driving (“non-risky)

    • Road surface condition change (incl. road friction)

    • Lane traffic condition change (incl. obstacle)

    • Weather visibility change

    • Approaching intersection

    • Significant road geometry change

    • Lane change

    • Abnormal driver behaviour

Sp1 scenario selection process 2
SP1 Scenario Selection Process (2)

  • Each partner contributing to the scenario task defined scenario titles according to the groupings in step 1.

  • Partner contributions collated and overlapping scenarios merged

  • Remaining scenario titles rated according to their priority by each partner:

    • Top priority = 1

    • SAFESPOT relevant = 2

    • Nice to have = 3

    • More information needed = 4

    • Reject = 5

Sp1 scenario selection process 3
SP1 Scenario Selection Process (3)

  • Assessment of partner ratings carried out

    • Due to rating anomalies the following selection criteria was applied to identify scenarios according to level of priority:

      • Priority: all partners agree

      • Priority L1: Mixed rating of 1 and 2 and Mode = 1

      • Priority L2: Mixed rating of 1 and 2 and Mode = 2

      • Priority L3: Mixed rating 1, 2, 3 and MODE = 1

      • Other criteria: More info & reject, unclassified

Sp1 scenario selection process 4
SP1 Scenario Selection Process (4)

  • Preliminary priority scenario list

  • Obstacle (VRU, load, slow veh, jam) in ego lane, Priority L1

  • Ego turn, approaching obstacle (VRU, load, slow veh, jam) or crossing its path, Priority L1 oncoming vehicle in wrong direction in ego lane, Priority L1

  • Ego approaching spot with ice in ego lane, Priority

  • Ego vehicle runs a red light or stop sign, Priority L1

  • Ego vehicle approaches vehicle fire/smoke section (inside a tunnel, on motorway) , Priority L1 ,

  • Ego vehicle approaching road works - restricted lane usage, Priority L2

  • Emergency vehicle approaching - blue corridor required (cooperative message exchange between vehicles), Priority L1

  • Ego vehicle - Lane departure (incl. off road), Priority L1

  • PTW falling on roadway, Priority L3

  • ego (PTW) overtaking OV while OV making a turn, Priority L1

  • Ego-vehicle starts braking very hard while other vehicle (PTW) is following , Priority L1

  • overtaking ego on collision path with oncoming vehicle, Priority L1

  • Ego vehicle carrying dangerous goods

  • Ego vehicle meets dangerous goods vehicle

Sp1 scenario selection process
SP1 Scenario Selection Process

  • Basic scenario template

    • The Fields defined within the template aim to capture the selection of attributes from the “attribute scenario diagram” in order to describe a ‘basic’ description of the scenario.

    • Flowchart created to lead the author of the basic scenario through the process of completing the template (see handout or CBWA)