TRL Safety Checklist for In-Vehicle Information Systems
Contents
1. displays free from obstruction by the TVIS or its mounting The IVIS does not interfere with normal leg hand and arm movements TRUE FALSE NA The IVIS does not obstruct the view out of the windows TRUE FALSE NA No displays are obstructed TRUE FALSE NA No controls are obstructed TRUE FALSE NA TRL DETR Safety Checklist for VIS Scoring Proforma B3 Is physical or visual access to the IVIS free from obstruction by other driver controls displays No IVIS displays are obstructed TRUE FALSE NA No IVIS controls are obstructed TRUE FALSE NA B4 Is the IVIS free from reflections and glare under all ambient lighting conditions The IVIS is free from reflection glare during the day TRUE FALSE NA during darkness TRUE FALSE NA B5 Are the windscreen and windows free from reflections and or glare caused by the display The windows are free from reflection glare during the day TRUE FALSE NA during darkness TRUE FALSE NA B6 Does the interaction of the IVIS with other vehicle systems compromise safety When a visual display is shared between IVIS functions conflicts will not arise between different functions TRUE FALSE NA When an auditory message is being presented other auditory outputs eg the radio will mute TRUE FALSE NA C Driver input controls All functions of all controls should be assessed i e all functions of the same control for different modes screens Does the IVIS have driver input control properties2. on road signs TRUE FALSE NA external information on VMS displays TRUE FALSE NA external information on RDS broadcasts TRUE FALSE NA other external information TRUE FALSE NA None Minor Serious _ Ba FA Ic the anantity af infarmatian nrecented at anv ane time exceccive TRL DETR Safety Checklist for VIS Scoring Proforma F6 3 While driving does interaction with the IVIS involve a small number of keystrokes Parallel inputs are not required to complete any one function TRUE FALSE NA Single uninterrupted sequential inputs i e 5 or more are not required to complete any one function TRUE FALSE NA F6 4 Does the IVIS present excessively distracting information The IVIS limits the information available when moving TRUE FALSE NA F6 5 Is a suitable indication given when new updated information arrives that is directly relevant to the driver in the current driving situation The method of indicating new information arriving is effective TRUE FALSE NA The method of indicating new information is appropriate to the message being conveyed TRUE FALSE NA The information is up to date and relevant to the current real time situation TRUE FALSE NA F6 6 Are the consequences of not following the IVIS instructions clear The systems response following non compliance with instructions is clearly stated TRUE FALSE NA The system provides timely up dated advise after non compliance with instructions TRUE FALSE NA TRL DETR Safet
3. FORMA by A Stevens A Board P Allen and A Quimby TRL Ltd PROJECT REPORT PA3536 A 99 Prepared December 1999 Project Record UG115 Detailed HMI Checklist Customer TMT DETR Mr Gulam Rai Transport Research Foundation Group of companies Transport Research Foundation a company limited by guarantee trading as Transport Research Laboratory Registered in England Number 3011746 TRL Limited Registered in England Number 3142272 Registered Offices Old Wokingham Road Crowthorne Berkshire RG45 6AU TRL DETR Safety Checklist for IVIS Scoring Proforma A SAFETY CHECKLIST FOR THE ASSESSMENT OF IN VEHICLE INFORMATION SYSTEMS SCORING PROFORMA 1 INTRODUCTION This Scoring Proforma is for use as part of the Safety Checklist developed by the Transport Research Laboratory TRL at the request of the United Kingdom s Department of the Environment Transport and the Regions DETR The main function of the Checklist is to provide a structured aid to allow an assessor to establish whether or not the use of an In Vehicle Information Systems IVIS might compromise safety It should be completed only after reading the comprehensive instructions and detailed guidelines contained in the User Manual Project Report PA3536 99 which is available from TRL s Library While the Manual contained only one Scoring Proforma the intention was that one would be required for each assessment conducted There are 3 separate parts to be completed e Assess
4. If Yes continue if No go to Section D TRL DETR Safety Checklist for VIS Scoring Proforma C1 Are the IVIS controls easily reached by the user when driving All controls needed when driving can be reached from the normal driving position TRUE FALSE NA Stretching or leaning is not required TRUE FALSE NA Awkward arm or body positions are not required TRUE FALSE NA C2 Is the control layout suitable for safe operation Each control can be used without inadvertently activating another control TRUE FALSE NA The layout of the controls is conducive to them being located non visually TRUE FALSE NA C3 Are the designs of the controls suitable for their function Push buttons toggle switches are only used to transmit discrete information TRUE FALSE NA Controls do not perform more than two functions TRUE FALSE NA Where a control has two actions they cannot be easily confused TRUE FALSE NA Where a control has two actions they do not need to be carried out simultaneously TRUE FALSE NA Rotary knobs multi rotational knobs thumb wheels etc are only used to transmit continuous information TRUE FALSE NA Control actions are consistent with conventions adopted in the rest of the vehicle TRUE FALSE NA in the national location where the IVIS is to be used TRUE FALSE NA Control labels are consistent with conventions adopted in the rest of the vehicle TRUE FALSE NA national location whe
5. YDETR ENVIRONMENT TRANSPORT REGIONS TRANSPORT RESEARCH LABORATORY da A SAFETY CHECKLIST FOR THE ASSESSMENT OF IN VEHICLE INFORMATION SYSTEMS In vehicle systems can potentially distract the driver and present a safety hazard This Checklist provides a structured aid to an expert for the assessment of the safety related features of in vehicle information and communication systems The technical content is based on emerging international standards and existing codes of practice such as the European Commission s Statement of Principles on Human Machine Interface The checklist is part of an assessment manual that contains Scenario description proforma Detailed assessment scoring sheets Assessment summary table Supporting technical information References glossary and abbreviations The supporting technical information explains how the checklist should be applied and provides the background and rationale to the assessment questions The checklist was developed by the Transport Research Laboratory for the UK Department of the Environment Transport and the Regions Copies of the manual can be obtained from TRL library Crowthorne Berks RG45 6AU UK Tel 44 0 1344 770783 Fax 44 0 1344 770193 Email info trl co uk Assessment sheets can also be obtained from http www trl co uk pa3536 htm TRANSPORT RESEARCH ST L LABORATORY A SAFETY CHECKLIST FOR THE ASSESSMENT OF IN VEHICLE INFORMATION SYSTEMS SCORING PRO
6. es the supplier provide sufficiently clear recommendations for non use of any of the functions whilst the user is driving User is advised not to access help function while the vehicle is in motion TRUE FALSE NA User is advised not to configure IVIS features when the vehicle is in motion TRUE FALSE NA TRL DETR Safety Checklist for VIS Scoring Proforma A2 3 Does the supplier make it sufficiently clear that the driver retains absolute responsibility for the operation of the vehicle and compliance with traffic regulations regardless of information provided by the IVIS The user manual clearly states that the driver retains overall responsibility for vehicle operation TRUE FALSE NA The user manual clearly states that the driver retains responsibility for complying with traffic regulations TRUE FALSE NA A2 4 Does the supplier provide sufficiently clear recommendations for non use of any freestanding equipment The supplier recommends non use of freestanding equipment by the driver whilst driving TRUE FALSE NA A2 5 Does the supplier provide sufficiently clear recommendations for maintenance of the equipment Maintenance procedures for the equipment are clearly prescribed TRUE FALSE NA B Installation and Integration B1 Once positioned and secured are the relevant components of the IVIS stable and free from shake that would significantly increase driver workload when in use B2 Is physical or visual access to other driver controls
7. forma TRUE FALSE NA LNA TRUE FALSE NA TRUE FALSE NA TRUE FALSE NA TRUE FALSE NA TRUE FALSE NA TRUE FALSE NA LNA TRUE FALSE NA TRUE FALSE NA displacement feedback TRUE FALSE NA visual feedback TRUE FALSE NA auditory feedback TRUE FALSE NA The user can see hear immediately that the IVIS is responding to their input TRUE FALSE NA The user can see hear immediately if they have made an input error or incompatible choice TRUE FALSE NA The IVIS responds immediately to control activation TRUE FALSE NA The IVIS can cope with fast sequential data input TRUE FALSE NA Visual feedback persists long enough to permit vision to the road to be maintained and the feedback not be lost TRUE FALSE NA D Auditory properties Does the IVIS have auditory features If Yes continue if No go to Section E Yes No D1 Is the volume of auditory output adjustable over a reasonable range Auditory output can be adiusted to TRL DETR Safety Checklist for VIS Scoring Proforma be heard under all driving conditions TRUE FALSE NA a level that will not startle the driver TRUE FALSE NA D2 Where the volume of auditory output cannot be adjusted does it present safety concerns Auditory output is loud enough to be heard under all driving conditions but TRUE FALSE NA not so loud that it may startle the driver TRUE FALSE NA E Visual properties of the display and display screen Doe
8. menet Scenario Section 2 e In depth assessment Section 3 and e Assessment Summary Report Section 4 The Manual also contains Supportive Information which provides greater explanation about the application of the Checklist as well as allowing the assessor s to clarify Checklist questions and understand the rationale behind them A list of Technical References Abbreviations and a Glossary of Terms is provided in the Manual TRL DETR Safety Checklist for TVIS Scoring Proforma 2 ASSESSMENT SCENARIO 1 IVIS under assessment Product name and version Manufacturer Supplier e g prototype production e g screen hand control Documentation included e g driver s manual 2 TVIS functions excluded from assessment Excluded functions Reason for exclusion e g not intended for use while driving 3 Context and restrictions for intended use Driver group considered e g special skill requirements Road type considered e g urban motorway B e g mix and density e a e g weather day night time Infrastructure requirement TRL DETR Safety Checklist for VIS Scoring Proforma Assessors TRL DETR Safety Checklist for TVIS Scoring Proforma 3 IN DEPTH ASSESSMENT A Documentation Is there any documentation provided with the system If No go to Section B if Yes continue Yes No A1 Compliance and compatibility with regulations standards a
9. menus easily TRUE FALSE NA The users are allowed to move backward and correct mistakes TRUE FALSE NA There is a cancel or escape button provided in the menu which always has the same function s TRIUIF FAT SFNA TRL DETR Safety Checklist for VIS Scoring Proforma Blind alleys that trap a user deep in the structure are avoided TRUE FALSE NA Menu labels are easy to understand TRUE FALSE NA F4 2 Are there an appropriate number of menus sub menus and final options The number of menues and sub menues is as few as possible TRUE FALSE NA a F5 TEMPORAL INFORMATION F5 1 Following control activation feedback is the required information provided within an appropriate timescale The IVIS informs the user that it is busy TRUE FALSE NA F5 2 Is the IVIS free from machine pacing The IVIS does not make choices for the user even if there is a delay TRUE FALSE NA The speed at which the IVIS presents information does not produce an annoyance for the user TRUE FALSE NA The driver can defer responding to the VIS without loss of system status TRUE FALSE NA E Minor E F5 3 Is information presented sufficiently in advance of a driving decision None Minor Serious F6 Safety related aspects of information Z gt mi Z gt Ei F6 1 Is the IVIS information consistent with the road network The information is consistent with the legal status of the road system TRUE FALSE NA external information
10. nd recommendations A1 1 Is there any documentation to show that suppliers have followed published regulations standards and recommendations Yes No A1 2 The documentation provides evidence of the following Crash worthiness certification TRUE FALSE NA Compliance with ISO BS SAE recommendations for control locations TRUE FALSE NA Compliance with ISO BS SAE recommendations for display locations TRUE FALSE NA The use of colour conventions compliance with standards for use of colour TRUE FALSE NA Colours follow recognised standards for motor vehicle displays TRUE FALSE NA Auditory outputs lie in the range of 200 to 8000 Hz TRUE FALSE NA How the volume control affects the audibility of each frequency band TRUE FALSE NA Graphics representational features follow appropriate standards TRUE FALSE NA Design for ease of use by drivers with special needs including the elderly or disabled TRUE FALSE NA The supplier has not made any false claims about the IVIS TRUE FALSE NA Response times are sufficiently rapid for operation TRUE FALSE NA Updating of information is sufficiently rapid for operation TRUE FALSE NA Error messages indicate system system infrastructure failure TRUE FALSE NA A2 IVIS packaging information and instructions A2 1 Does the packaging promote inappropriate use of the TVIS Yes No Not Available A2 2 Do
11. onform to standard conventions TRUE FALSE NA Entire sentences are never made up from abbreviations TRUE FALSE NA Abbreviations are translated correctly for the country and language of their use TRUE FALSE NA Abbreviations are the most appropriate method of conveying this information TRUE FALSE NA None Minor Serious LNA F3 3 Is the message correct and simple Short words are employed in preference to long ones TRUE FALSE NA The words employed in the dialogue are simple and obvious TRUE FALSE NA The IVIS avoids the use of long messages TRUE FALSE NA The IVIS avoids the use of jargon when plain English could be used TRUE FALSE NA The order of wording is logical and grammatically correct TRUE FALSE NA Message contains all necessary information TRUE FALSE NA Each message is distinct from others TRUE FALSE NA The meaning of the message is clear TRUE FALSE NA Information presented by visual and auditory modalities is consistent TRUE FALSE NA None Minor Serious _ LNA F3 4 Is immediate feedback provided when an input error has been made None Minor Serious _ Ee F4 Menu facilities Does the IVIS have menus which may be used whilst driving If Yes continue if No go to Section F5 Yes No F4 1 Is it easy to navigate through the system menus The user can move from menu to sub menu easily TRUE FALSE NA The user can move back through sub
12. re the IVIS is to be used TRUE FALSE NA C4 Is each control easily discernible by different methods in daylight and during darkness The IVIS controls can be distinguished by means of Vision by labels graphics representational features TRUE FALSE NA by colour TRUE FALSE NA by shape TRUE FALSE NA by brightness TRUE FALSE NA Feel by means of clearance TRUE FALSE NA TRUE FALSE NA by means of location TRUE FALSE NA by means of grouping TRUE FALSE NA by means of shape TRUE FALSE NA by means of texture TRUE FALSE NA hv matinn feedhacl TRITR RAT SR NA TRL DETR Safety Checklist for VIS Hearing by auditory feedback None Minor Serious C5 Is colour used effectively to aid coding and layout of controls Red green combinations are avoided Blue yellow combinations are avoided Colour coding does not cause problems during darkness Colours used do not cause adverse visual after effects The meaning of colour coding is clear Colour coding conforms to stereotypical norms None Minor Serious C6 Does the lighting of controls during darkness affect vision Control lighting is adequate to identify the required control Control lighting is not so bright as to distract the driver TRUE FALSE NA Control lighting is not so bright as to cause visual after effects C7 Is control operation feedback adequate and appropriate Control activation is indicated by Scoring Pro
13. re the displays lit during darkness without unduly affecting vision The IVIS illumination does not cause visual discomfort distraction TRUE FALSE NA The IVIS illumination does not prevent the displayed information from being clearly legible TRUE FALSE NA The IVIS illumination does not cause visual after affects TRUE FALSE NA Automatic manual dimming controls are within an acceptable range TRUE FALSE NA F Dialogue between user and system F1 Visual information presentation F1 1 Is the apparent size of the display images appropriate to their function Information requiring immediate action is more prominent TRUE FALSE NA F1 2 Is the use of graphics representational features appropriate to their function The choice of graphics representational features is suitable for what they represent TRUE FALSE NA Graphics representational features designs are not too detailed or complex TRUE FALSE NA Functionally related graphics representational features have a consistent style TRUE FALSE NA The use of text can be supported by graphics representational features TRUE FALSE NA The use of graphics representational features can be supported by text TRUE FALSE NA Graphics representational features representing road signs are the same as actual road signs TRUE FALSE NA F1 3 If graphics representational features are used is the layout appropriate Graphics representational features are functionally grouped where possible TRUE FALSE NA Graphics
14. representational features are not cluttered TRUE FALSE NA TRL DETR Safety Checklist for VIS Scoring Proforma F2 Auditory information presentation F2 1 Is an auditory output appropriate for the information to be conveyed F2 2 Is the auditory information able to be repeated when necessary The auditory information is automatically repeated where appropriate TRUE FALSE NA The auditory information can be repeated on request by the user TRUE FALSE NA F2 3 If the auditory output can be turned off does it provide feedback to the user about its status The user is informed when the auditory output has been turned off TRUE FALSE NA F3 Information comprehension Does the IVIS use language If Yes continue if No go to section F4 Yes No F3 1 Is numerical data presented appropriately An analogue format is employed for fluctuating values TRUE FALSE NA An appropriate number of decimal places are used TRUE FALSE NA Numbering has appropriate units where required TRUE FALSE NA A digital display is employed for relatively steady state values where the absolute numerical value needs to be known TRUE FALSE NA None Minor Serious _ LNA F3 2 Are abbreviations used appropriately Abbreviations if present aid the readability of the messages TRUE FALSE NA TRL DETR Safety Checklist for VIS Scoring Proforma Abbreviations are used consistently TRUE FALSE NA Abbreviations c
15. s the IVIS have a visual display If Yes continue if No go to Section F Yes No El Does information presented on the IVIS display appear legible Legibility is not compromised by size of image TRUE FALSE NA contrast TRUE FALSE NA brightness TRUE FALSE NA illumination TRUE FALSE NA image stability TRUE FALSE NA resolution TRUE FALSE NA colour TRUE FALSE NA The use of capitals is limited for example to first letter only TRUE FALSE NA Graphics representational features are clearly the same when highlighted or reversed out TRUE FALSE NA Horizontal and vertical spacing of words and sentences is consistent TRUE FALSE NA None E2 Can the IVIS internal illumination be used without washout of the display in any conditions None Minor Serious E3 Are colours used effectively in the design and presentation of visual images Colours are limited to clearly differentiated sets TRUE FALSE NA Colours are equally visible under night time viewing conditions TRITR FAT SF NA TRL DETR Safety Checklist for VIS Scoring Proforma Red green and blue yellow colour combinations are avoided TRUE FALSE NA Colour displays LED and display images are unambiguous without full colour vision TRUE FALSE NA Problems of colours distorting the appearance of adjacent colours and colour after effects are avoided TRUE FALSE NA Colours conform with stereotypical norms TRUE FALSE NA E4 A
16. y Checklist for VIS Scoring Proforma 4 ASSESSMENT SUMMARY REPORT Device being assessed Date Assessor s SUMMARY OF CHECKLIST ASSESSMENT Serious Concerns reasons refer to specific questions if necessary Minor Concerns reasons refer to specific questions if necessary Overall Assessment ADDITIONAL COMMENTS AND DESIGN RECOMMENDATIONS Additional Comments Recommendations TRL DETR Safety Checklist for VIS Scoring Proforma ASSESSMENT SUMMARY REPORT continued
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