Public Health England issues LED street lighting warning

03/04/2018

Public Health England has warned that high levels of blue light in LED street lighting can be uncomfortable and are 'known to cause damage to the retina’.

The executive agency of the Department of Health also suggested that ‘daylight-running lights on cars’ can mean that older drivers ‘will be dazzled by oncoming vehicles with the risk that they may not see hazards until too late’ - a problem exacerbated by fog.

LED street lights have been used to replace older forms of street lighting across the UK as they are much cheaper to run, easier to control and can have less light dispersal.

However John O’Hagan of Public Health England warned that social and health factors should be considered, as well as financial.

‘Local authorities have been replacing mercury and sodium street lights with LEDs. If this is done purely on the basis of energy efficiency and cost, it is possible to end up with installations that may not be fit for purpose,’ he wrote in the chief medical officer’s annual report.

‘Some streetlight luminaires have LED sources that can be seen physically projecting below the luminaire, becoming a glare source or light pollution. The light spectrum may be enriched in the blue, which may be beneficial for keeping drivers alert, but many people will find the light uncomfortable. High levels of blue light are known to cause damage to the retina in the eye. This only tends to be a problem for blue LEDs and not for white-light LED sources containing a blue LED and a yellow phosphor.’

He pointed out that LEDs can be provided in a range of colour temperatures and that ‘warmer colours are likely to be more appropriate for populated areas’.

Mr O’Hagan said: ‘Some of the LED sources assessed by Public Health England and others vary in illuminance at a frequency of 100 hertz. At the extreme, the LEDs switch on and off 100 times per second. This is of concern for a number of reasons.’

In such circumstances ‘rotating machinery, which could include the blades on a food mixer, may appear to be stationary if the rotation rate matches the modulation rate or is a multiple of it’.

He added this frequency can also result in headaches, migraines and feelings of malaise in those sensitive to this light modulation.

Highways jobs

Senior Engineer (Development Control)

Wrexham County Borough Council
£36,876 - £39,782 per annum
We are looking to appoint a suitably experienced and qualified candidate to work within the Contracts and Engineering team Wrexham (Wrecsam)
Recruiter: Wrexham County Borough Council

Strategic Director Growth and Regeneration

Kirklees Metropolitan Council
£119,940 to £131,935
A decade of investment invites the opportunity of a decade! Kirklees, West Yorkshire
Recruiter: Kirklees Metropolitan Council

Strategic Director Environment and Climate Change

Kirklees Metropolitan Council
£119,940 to £131,935
A decade of investment invites the opportunity of a decade! Kirklees, West Yorkshire
Recruiter: Kirklees Metropolitan Council

Funeral Operative (As and When)

Brent Council
£24,462 - £26,274 p.a. inc. (pro-rata)
The person will not need previous experience in funeral services as full training will be given but experience would be an advantage. Brent, London (Greater)
Recruiter: Brent Council

Senior Engineer – Transport Policy

The Royal Borough of Kensington & Chelsea Council
£38,800 - £52,600
This is an exciting opportunity to improve road safety and create healthy streets in a busy and dynamic central London borough. Kensington and Chelsea, London (Greater)
Recruiter: The Royal Borough of Kensington & Chelsea Council

Environmental Health Officer / Health and Safety Practitioner

The Royal Borough of Kensington & Chelsea Council
£33,600 - £45,400 per annum plus performance related pay
The ideal candidate will have a detailed knowledge/understanding of Health and Safety legislation.  Kensington and Chelsea, London (Greater)
Recruiter: The Royal Borough of Kensington & Chelsea Council

Head of Operations

Rossendale Borough Council
£49,408 - £52,899
The Head of Operations is a key leader in the Senior Management Team. Rossendale, Lancashire
Recruiter: Rossendale Borough Council

Commercial Officer

Rossendale Borough Council
£25,801 - £29,636
We are keen to improve our recycling levels, tackle the climate change agenda and take pride in our open spaces. Rossendale, Lancashire
Recruiter: Rossendale Borough Council

Principal Electrical Asset Officer

Birmingham City Council
£34,788-£42,683
The role requires the post holder to be a key technical specialist for the Authority’s Highways Electrical Asset Management function, providing... Birmingham, West Midlands
Recruiter: Birmingham City Council

Transport Planning Officer 

Plymouth City Council
£32,878 - £42,683
This is a full time position (37 hours per week) with flexible working arrangements. Plymouth, Devon
Recruiter: Plymouth City Council

Highways & Drainage Team Manager

Newport City Council
£37,849 - £40,760
You will be skilled at analysing multiple sources of information, making excellent decisions, and driving difficult situations towards a... Newport (Casnewydd)
Recruiter: Newport City Council

Senior Environmental Health Officer (Housing Lead)

Mole Valley District Council
£37,821 - £42,329
An exciting opportunity for a Senior Environmental Health Officer to join our forward thinking Environmental Health Partnership Oxted, Surrey
Recruiter: Mole Valley District Council

Street Works Compliance Officer

Telford & Wrekin Council
£29,636 - £31,371 per annum
For further information on the role please click. Telford, Shropshire
Recruiter: Telford & Wrekin Council

Senior Sustainability & Resilience Officer

Essex County Council
£30001.0 - £34017 per annum
This opportunity is to be offered on a 6-month, fixed term / secondment contract basisInterviews scheduled to be held Friday 17th April Job Purpose Es England, Essex, Chelmsford
Recruiter: Essex County Council

Highway Electrical Maintenance & Installation Operative (Street Lighting) Apprentice

Kirklees Metropolitan Council
National minimum wage, currently £8.20 in first 12 months, increasing to £8.72 thereafter
If you are looking for hands on experience and learning on the job then an apprenticeship could be the right route for you. Kirklees, West Yorkshire
Recruiter: Kirklees Metropolitan Council

Highways Civil Engineering Technician Apprentice x 3

Kirklees Metropolitan Council
National minimum wage, currently £8.20 in first 12 months, increasing to £8.72 thereafter
If you are looking for hands on experience and learning on the job then an apprenticeship could be the right route for you. Kirklees, West Yorkshire
Recruiter: Kirklees Metropolitan Council

Safety, Health & Environment Technician Apprentice

Kirklees Metropolitan Council
National minimum wage, currently £8.20 in first 12 months, increasing to £8.72 thereafter
If you are looking for hands on experience and learning on the job then an apprenticeship could be the right route for you. Kirklees, West Yorkshire
Recruiter: Kirklees Metropolitan Council

Strategic Director, Environment & Regeneration

Brent Council
Circa £155,000
Brent is the Borough of Cultures - the most diverse in London - and as a Council we believe in delivering for our communities. Brent, London (Greater)
Recruiter: Brent Council

Street Cleansing Operative x6

Redbridge London Borough Council
£20,466.00 - £20,835.00
This role will involve working as an individual as well as part of a team, litter pick the streets in the local area, empty the litter bins. Redbridge, London (Greater)
Recruiter: Redbridge London Borough Council

Assistant Engineer - Grade 3

Northumberland County Council
£27,905 - £31,371
Assistant Engineer (Structures) - Band 7 (SCP 24-28) The Council Northumberland County Council operates a huge range of services across one of the ... County Hall, Morpeth
Recruiter: Northumberland County Council

Highways on Fridays

Register now!

Latest Issue

latest magazine issue

Inside:

  • Exclusive: Self-assessment results
  • Keeping up momentum on major roads
  • The Lifelines Resilience approach
View the latest issue

Latest Video