https://www.gov.scot/publications/foi-202600511678/
Transport Scotland LED lighting Information: EIR release - gov.scot
Information request and response under the Environmental Information (Scotland) Regulations 2004.
transport scotlandled lightinginformationeirrelease
https://www.gov.scot/publications/foi-202600505398/
Transport Scotland LED trunk road lighting Information: EIR release - gov.scot
Information request and response under the Environmental Information (Scotland) Regulations 2004
transport scotlandtrunk roadlighting informationled