The other day，Field Investigation on Technical Innovation of Highway Maintenance in Western Region of Highway Bureau of Ministry of Transport Held in Lanzhou。Gansu、Inner Mongolia、Guangxi、Chongqing、Szechwan、Guizhou、Yunnan、 Tibet 、Shaanxi、Qinghai、Ningxia、12 provinces in Xinjiang（Autonomous regions、Municipality directly under the central government）Transportation Department of Xinjiang Production and Construction Corps（Bureau）Representative，Visit the technical achievements of highway maintenance，Exchange of experience in technological innovation of highway maintenance in the western region，Jointly discuss the strategy of improving the level of highway maintenance technology innovation。

It is reported that，Four thematic exhibition areas were set up in this research activity.，Collection of subgrade and pavement maintenance in the western region in recent years、Bridge and tunnel maintenance and reinforcement、Intelligent highway construction、Utilization of waste materials、More than 100 new road materials have been developed, popularized and applied.“Four new technologies”Innovative achievements，It shows the safety of highway maintenance departments in the western region.、Convenient、Efficient、Beneficial exploration and outstanding achievements in green and other aspects。

In recent years，Gansu actively promotes new technologies、New Technology、New materials、Innovative Application of New Equipment in Highway Maintenance。Based on the technical condition inspection and evaluation data of nearly 250000 kilometers of highway for 13 consecutive years，Gansu has independently developed“Digital Decision-making System of Highway Pavement Intelligent Maintenance in Gansu Province”And“The Internet＋Road maintenance”Platform，Accurate assessment and evaluation、Scientific maintenance decision-making、Real-time inspection and supervision、Digitalization of job management。In addition，Combined with the fact that the iron and steel industry produces more steel slag.，Gansu has developed a complete set of technology for comprehensive utilization of full size steel slag.，Accumulate experience for reutilization of solid wastes from highway maintenance。