Upwardly directed spotlights emphasise the tree crowns. Floodlights with asymmetric light distribution give homogenous lighting from base to canopy even on extensive avenues of tall trees. Narrow-beamed uplights highlight the tree trunk as a vertical, linear feature.

The spatial profile of tree-lined avenues depends to a very large extent on the type of tree. Thus, depending on the type of trees, an avenue of narrowly spaced trees can act as a wall and segregate a definite area or can appear as a colonnade. Narrow-beamed and well-aimed luminaires reduce the glare and spill light into the surroundings. The tree growth must be considered when positioning and aiming the luminaires.


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