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1175879
registered interest false more like this
date less than 2020-01-20more like thismore than 2020-01-20
answering body
Department for Transport more like this
answering dept id 27 more like this
answering dept short name Transport more like this
answering dept sort name Transport more like this
hansard heading Bicycles: Lighting more like this
house id 2 more like this
legislature
25277
pref label House of Lords more like this
question text Her Majesty's Government whether the (1) flash frequency, and (2) brightness, of bicycle lights is regulated; if so, how it is enforced; and what assessment they have made of the impact of such lights' frequency and brightness on people with photosensitive epilepsy. more like this
tabling member printed
Lord Browne of Belmont more like this
uin HL555 more like this
answer
answer
is ministerial correction false more like this
date of answer less than 2020-01-30more like thismore than 2020-01-30
answer text <p>Published research identifies that flashing lights at certain intensities have the potential to trigger seizures in those who suffer from photosensitive epilepsy. It also reports the likelihood of such effects to be low and the frequency range most likely to cause such a response is 5-30 flashes per second (5-30Hz).</p><p> </p><p>As such, the Road Vehicles Lighting Regulations 1989 (as amended) permit flashing bicycle lamps only if they have a frequency of no greater than 4 Hz, and not so bright as to cause undue dazzle or discomfort to other road users.</p><p> </p><p>Enforcement of road traffic law is generally an operational matter for individual Police Forces and their Officers can issue verbal warnings, fixed penalty notices or report riders for formal prosecution.</p> more like this
answering member printed Baroness Vere of Norbiton more like this
question first answered
less than 2020-01-30T15:43:14.387Zmore like thismore than 2020-01-30T15:43:14.387Z
answering member
4580
label Biography information for Baroness Vere of Norbiton more like this
tabling member
3801
label Biography information for Lord Browne of Belmont more like this