Intersection & Roundabout Lighting

Início / Iluminação de interseções e rotatórias

Design safer, clearer decision zones at intersections and roundabouts—using the standard and edition adopted by the responsible road authority. We apply luminance-based design on approaches and the illuminance method within conflict areas, adding vertical or semicylindrical illuminance at pedestrian and bicycle crossings for face recognition. Lighting is transitioned along each approach to support eye adaptation, while optics, mounting height and spacing are optimized from photometric files to achieve uniformity and low glare. Choose grid-powered LED or solar options, and receive a preliminary layout for project-specific compliance review, calculation report and bill of materials ready for procurement.

Design Principles for Intersection & Roundabout Lighting

Aulas orientadas por padrões

M-class luminance on approaches; illuminance-based criteria (incl. vertical/semicylindrical) inside conflict areas and at crossings; control uniformity and disability glare (TI/veiling).

Pedestrian visibility

Specify crossing vertical illuminance, measurement height and driver-view directions from the adopted local criteria; a research example is not a universal design target.

Roundabout lighting

Assess circulating lanes and conflict areas with the road authority; select maintained levels and uniformity for the site rather than applying one illuminance value to every roundabout.

Transition zones

Define the illuminated approach transition from the adopted design guide, approach speed, geometry and surrounding lighting; do not treat one distance as universal.

Soluções por cenário

Signalized Intersections

Luminance-based approaches, added vertical illuminance at crosswalks, strict glare control for turning movements.

Unsignalized / Stop-Controlled

Boost recognition at yield/stop lines; illuminate splitter/median islands and near-side/ far-side crosswalks.

Roundabouts

Uniform lighting over the circulatory roadway, transitioned approaches, and vertical components where pedestrians/bikes are present.

Mid-Block Crossings

Check vertical illuminance across the crossing from the relevant driver-view directions, using the measurement height and maintained target specified for the project.

Interchanges / Toll Plazas (High-Mast)

Wide-area coverage with high-mast where appropriate; fewer poles, simplified maintenance.

O que você recebe

  • Layout and calculation report identifying the adopted standard, edition, methods and project-specific acceptance criteria
  • Arquivos fotométricos (IES/LDT) + relatórios de cálculo
  • Desenhos de postes/fundações + fiação de linha única
  • Lista técnica com opções (LED vs. Solar, altura dos postes, ótica)
  • Lista de verificação de O&M, garantia e aceitação

Produtos recomendados para iluminação pública solar

JAGUAR (INL-AIT5)

All-in-two de alto rendimento com LEDs 5050, LiFePO4 grande, ótica avançada - construído para rodovias e estradas principais.

Luz de rua solar tudo-em-um SIRIUS

SIRIUS (INL-AIO9)

AIO de alto rendimento com cabeçote ajustável, óptica Tipo II/III, LEDs 5050 e LiFePO4 - construído para estradas e rodovias de mão dupla.

Luz de rua solar tipo split APOLLO

Bateria de lítio APOLLO

Desempenho modular com baterias de longa duração; saída confiável em condições urbanas variadas.

Mastro de luz solar

Mastro de luz solar

Mastro alto solar do tipo dividido para grandes áreas. Postes de 15 a 30 m, carrinhos em anel ou direcionais, matrizes de inundação de alta eficiência, PV + LiFePO4 dimensionados de acordo com a latitude e as noites de backup.

Mastro de luz solar integrado

Mastro de luz solar integrado

Luminárias solares tudo-em-um combinadas com mastros altos para simplificar a fiação. Opções de postes de 15 a 30 m, ótica projetada e autonomia, com verificações de carga de vento e sistema de rebaixamento opcional.

Produtos recomendados para iluminação pública de LED

Luz de rua de LED

INL-LED25 - Luz de rua de LED

Pacotes de 100-200 W, óptica de estrada e drivers prontos para controles para estradas principais e coletoras.

Luz de rua de LED

INL-LED24 - Luz de rua de LED

50-200 W com óptica precisa Tipo II/III/V; serviço sem ferramentas e opções de SPD para municípios.

Luz de rua de LED

INL-LED22 - Luz de rua de LED

Plataforma versátil de 60-200 W com opções de controles e distribuições de pista.

Luz de rua de LED

INL-LED13 - Luz de rua de LED

60-200 W com invólucro fundido durável e classificações IP/IK para ruas e lotes urbanos.

Mini mastro de luz

Mini mastro de luz

Mastros de altura média para lotes e campi com várias luminárias e óptica personalizada; controles CA projetados e fácil manutenção.

Lâmpada de mastro alto

Lâmpada de mastro alto

Conjuntos modulares de refletores para montagem em anel ou direcional; 200-1200 W por lâmpada, pacotes >125/175 lm/W, 90-305 VCA, opções de feixe de 30°/60°/90°/120°.

Intersection & Roundabout Lighting FAQs

Roundabouts are conflict areas; when approaches are lit, the circulatory roadway should also be lit for consistent adaptation.

There is no universal crossing target. Confirm the adopted maintained vertical illuminance, measurement height, calculation grid and driver-view directions. FHWA research on midblock crossings is useful context, not automatic approval criteria for every intersection.

No. Select the calculation method and metrics for each approach, conflict area and crossing under the standard adopted by the road authority; record the class, maintained targets, glare and uniformity criteria in the report.

The transition length depends on the adopted guide, approach speed, geometry and ambient lighting. Have the road-lighting designer document the site-specific transition instead of reusing a fixed distance.

Large roundabouts/toll plazas or complex nodes needing wide-area coverage with fewer poles.

IES/LDT, calculation reports, CAD drawings, BOM, O&M and warranty.

The quotation should name the applicable standard and edition, local authority requirements, design inputs and approval responsibilities. Compliance can only be assessed for the documented project configuration.

Sim, duas listas técnicas para comparação lado a lado.