Basic construction of the portal frames of the Lin-gang Special Area of the China (Shanghai) Pilot Free Trade Zone on Highway S2 and Lianggang Avenue was recently completed.

The portal frame on Highway S2 is located 490 meters south of the center of the Dazhi River Bridge, while that on Lianggang Avenue is 650 meters south of the bridge's center.

The two portal frames Highway S2 and Lianggang Avenue of Lin-gang Special Area are both 23 meters' high and span 52 meters, with yellow arches and red "flying wings" shaped like flying seagulls. [Photo/WeChat account: shlgguanweihui]