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記事タイトル: 高速道路における照明技術の取り組み事例と今後の取り組むべき課題について
発刊年月日: 2023年11月　Vol.107　第6号
著者名: 早川正昭
企業・団体名: (株)高速道路総合技術研究所
記事種別: 特集資料・講演など
抄録（ABSTRACT）: Mercury and sodium lamps have been used for highway lighting since the 1950s. In recent years, LED lighting has been adopted because of its energysaving and long-life characteristics. In addition, LED lighting has been developed for easy light distribution control and pro-beam lighting for improved driving visibility, and an evaluation method based on the total revealing power has been introduced. In addition, low-position roadway lighting is required to eliminate the risk of falling or collapsing light fixtures and to improve maintainability, and we are studying technologies to realize lowposition lighting. In this report, we describe some examples of lighting technology used on expressways to date, as well as issues that need to be addressed in the future.
図表タイトル: 図１照明光源の変遷（トンネル）
図２照明方式
図３照明方式別の見え方比較
図４照明施設
図５照明配光イメージ
図６サイン照明
図７トンネル照明制御システム
Fig.1 Transition of lighting sources （Tunnel）
Fig.2 Lighting method.
Fig.3 Comparison of visibility by lighting method.
Fig.4 Lighting facilities.
Fig.5 Light distribution image.
Fig.6 Sign lighting.
Fig.7 Tunnel lighting control system.
キーワード: expresswey | lighting technology | new standards and new construction methods | 高速道路 | 照明技術 | 新基準・新技術

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