Beitucheng↔ Forest Park South Gate  (Identification Color: green      )

The construction of Subway Line 8 is divided into two phrases. The first phrase was completed and opened to traffic before Beijing Olympic and that is Olympic Special Line. It has a total length of 4.5 kilometers (about 2.8 miles). The second part stretches 17.7 kilometers with 11 underground stations, including the south and north extensions of present Olympic Special Line. When the whole project is finished, the line can reach Huilongguan in the north and Di'anmen in the south. The first-run vehicle departs from Beitucheng at 06:32 and the last at 22:36. From Forest Park South Gate, the earliest departs at 06:21 and the lat at 22:26. Here below is the timetable:

 Timetable

 Transfers along Line 8 (Olympic Special Line)

 Beitucheng: Transfer with Line 10

 Surroundings and Bus Routes along Subway Stations of Line 8
(  Subway Transfer Stations)

 Beitucheng  北土城
(Beitucheng Station of Line 8 is in Basement 3. There are totally six exits up to the ground. Exits C and D respectively have two: C1, C2, D1, and D2)
Buses Exchangeable: 21, 113, 380, 407, 409, 645, 653, 694, 839, T2
Surroundings:
Exit A (Northwest): Chinese Ethnic Cultural Park, Beichen Lu
Exit B (Northeast): Beichen Lu
Exit C (Southeast): Beitucheng Donglu, Jian'an Donglu
Exit D (Southwest): Beitucheng Xilu, Yuan Dynasty City Wall Relics Park

 Olympic Sports Center  奥林匹克中心 
(The subway station has three underground exits, the north of which is the most prefect place to take a photo of Water Cube and Bird's Nest together.)     
Buses Exchangeable: 113, 386, 407, 656, 660, 689, 740, 753, 939, 944, 944 Branch, 983 Branch
Surroundings:
Exit A (Northwest), Exit B (Northeast), Exit C (Northeast): Training Gymnasium of Olympic Sports Center, Birds' Nest (National Stadium), Water Cube (National Aquatics Center), Yingdong Natatorium
Exit D (Southwest): Chinese Ethnic Cultural Park, Training Gymnasium of Olympic Sports Center, Birds'Nest (National Stadium), Water Cube (National Aquatics Center), Yingdong Natatorium

 Olympic Park  奥林匹克公园
(The subway station of Olympic Park has six exits with the north one connected with a large transit bus station. Three exits in the east are adjacent to the sunken square of the park. There are two exits plugging into commercial streets in the west. )
Buses Exchangeable: 328, 379, 419, 425, 484, 518, 628, 630, 695, 751, 836, 851, 913, 949, 963, Yuntong 110
Surroundings:
Exit A1-A5 (Northwest): Datun Lu, Jingguan Lu, International Convention Center
Exit B (Northeast): Datun Lu, Olympic Lake, Jingguan Da Dao (Landscape Avenue)
Exit C (East): Olympic Lake, Jingguan Da Dao
Exit D (Southeast): Olympic Lake, National Stadium
Exit E (Southwest): International Convention Center

 Forest Park South Gate  森林公园南门   
(There are totally four exits that are respectively located in both sides of Kehui Lu.)  
Buses Exchangeable: 466, 630, 758, 803, 985
Surroundings:
Exit A (Northwest): Kehui Lu, Forest Park
Exit B (Northeast): Kehui Lu, Forest Park
Exit C (Southeast): Jingguan Da Dao, Kehui Lu
Exit D (Southwest): Jingguan Da Dao, Jingguan Lu, Kehui Lu, Beijing Olympic Village