Line 28 of the Beijing Subway (Chinese: 北京地铁28号线; pinyin: běijīng dìtiě èrshíbā hàoxiàn) is a rapid transit line under construction in Beijing. It was formerly known as CBD line.

Quick Facts Overview, Other name(s) ...

Line 28
28
Construction site in February 2021
Overview
Other name(s)	M28 (planned name) CBD line
Status	Under construction[1]
Locale	Chaoyang district Beijing
Termini	Dongdaqiao Guangqudonglu
Stations	9
Service
Type	Rapid Transit
System	Beijing Subway
Rolling stock	6-car Type LB
History
Planned opening	2029; 5 years' time (2029) (planned)[2]
Technical
Line length	8.877 km (5.516 mi) (Phase 1)[3]
Character	Underground
Operating speed	80 km/h (50 mph)[3]
Route map Legend Jin'anqiao Dongdaqiao Line 17 Jiahuihu – Future Science City North Pinggu line and Line 6 Lucheng Jintai Xizhao Line 10 inner – outer Pinggu line Pinggu Guanghualu Hexinqu Gucheng Dawang Lu Line 1 Line 14 Zhangguozhuang – Shangezhuang Sihuidong Tonghui River Beijing–Harbin railway Beijing East railway station Beijing West railway station Dajiaoting Line 7 Universal Resort Guangqulu Guangqudonglu Guangqudonglu depot v t e

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Construction started in July 2021.^[1] It is planned to open in 2029.^[2]

In August 2015, planning authorities proposed an underground automatic people mover (APM) line through the Central Business District (CBD).^[5]

According to the most recent plan announced in August 2019, the line will run 8.877 km (5.516 mi), have 9 stations from Dongdaqiao to Guangqudonglu.^[3] The line was redesigned into a higher capacity light metro line, not an automatic people mover (APM).^[3]

A feasibility study for the line was approved in October 2020.^[4]

Construction started in July 2021.^[1]

It will use 6-car Type L_B linear motor rolling stock, similar to the Capital Airport Express of Beijing Subway, and Guangzhou Metro's Line 4, Line 5 and Line 6.^[1]