This year's "May Day" holiday, to return home to visit relatives or travel and tourism people came into the State Road 209, from Yuncheng to the Linyi solar lights along a light where they stand will be eye-catching; if driving at night, the brilliant light will make you feel at ease driving, never tired dazzling lights. Linyi nationals working in Xi'an Institute of thermal fellow Liu Haibo said "half a year did not go home, really big changes in the face of home ah! Solar street light both energy-efficient and environmentally friendly and beautiful, new ways for the development of a green economy".

Linyi County is famous for its fruit fortune County, the county has 3.8 billion kilograms of apples are sold nationwide through 209 State Road, Linyi display the image, leading to the Golden Triangle of the Yellow River, to the country's southeast portal. Lighting 209 State Road, Linyi County County Commission in 2012 identified ten projects that benefit. To this end, the county implement the provincial government to determine the project ground to Year, adhere to the scientific concept of development, and unswervingly follow a resource-saving and environment-friendly road of sustainable development, in particular in the implementation of the lighting project 209 State Road, Linyi, adhere to the "Public Sector Energy Conservation Ordinance" and "public institutions in Shanxi way to save energy as the criterion, instructing the Development and Reform Commission, housing construction, Government Offices Administration and other units to invite relevant experts to ordinary electric lighting and solar lighting scientific proof, the decision section uses the currently the most advanced solar street lighting. Works one-time construction costs, but the latter part of operating expenses, less difficult to manage, in line with the requirements of the national energy saving. It is the only way to the development of ecological civilization.

Wuyi Road overpass, the road street light installation project north of the county, south Wan Lam at the junction of a total length of 17,175 meters, planning to install street lights 922 base, with a total investment of 13.65 million yuan. Road light pole height of 10 meters; stent used in the steel, laminated molding Welded galvanized surface spray; LED lights used by the U.S. imported chips, power of 100 W; solar lighting panels made of polysilicon, the total power of 420W; battery maintenance-free gel batteries, 12V/800AH; controller for light control + time control. Compared with the traditional power 400w sodium lamp, solar street light has the characteristics of an investment, simple lines, not constrained by power, no maintenance costs, only electricity per year can save more than 100 million.