Abstract: In order to solve the problems of large hardened pavement area, single function and low utilization of rainwater resources in traditional service area, based on the concept of sponge city, taking thedesign of a sponge service area in Yunnan as an example, the design of expressway sponge service area isdiscussed from four aspects: ponge service area design concept, site evaluation, sponge facility layoutand plant configuration. Through the use of various technical measures such as “ infiltration , retention,storage, purification, utilization and drainageaccording to local conditions, the project can achieve thegoals of total runoff control, peak runoff control, runoff pollution control and rainwater resource utilizaion. At the same time, it is also an important embodiment of green highway construction to build a ex-pressway service area with perfect functions , beautiful environment and bright characteristics.

Key words: sponge city, scenic service area, sponge facilities, rainwater utilization