The Pearl River Delta Metropolitan Region Intercity Railway System (, abbreviated as PRDIR) is a regional higher-speed rail and suburban rail network in the Pearl River Delta (Guangdong–Hong Kong–Macao Greater Bay Area) in South China. The project's goal is to have every major urban center in the Greater Bay Area to be within one-hour travel by rail to Guangzhou. On March 16, 2005, the State Council approved plans for a regional high-speed commuter rail network for the Jingjinji, the Yangtze River Delta and the Pearl River Delta. According to the plan, by 2020, the network will have a total route mileage of about . In September 2009, the plan was expanded to of routes split up into 23 lines. In the long-term vision network length will reach by 2030. By then the network will provide basic coverage to the Pearl River Delta region. The Suishen ICR, Guanghui ICR and Guangfozhao ICR accept Alipay, avoiding the need to purchase tickets in advance.
Operational lines
The system currently has seven lines, as of July 2026. Note that Guangfo line is not included in the list.
Line Terminals Opened Lengthkm ActiveStations OperatorOwner Zhuhai 2011 177.534 23 CR Guangzhou GroupGuangdong Guangzhu Intercity Rail TransitJiangmen Zhuhai Zhuhai Airport 2020 39.24 6 2016 146.64 25 Guangdong IntercityPRDIR Zhaoqing 2016 121.7 16 Shenzhen Airport 2019 121.2 23 2020 79.9 13 2020 77.953 15202518.24
Guangzhu ICR
The Guangzhou–Zhuhai Intercity Railway or Guangzhu Intercity Railway is a 116 km dedicated, grade-separated passenger railway linking New Guangzhou Station in Panyu, Guangzhou, and Zhuhai Airport in Zhuhai, via Shunde, Zhongshan and Jiangmen. Operation began in 2011.
Suishen ICR
The Guangzhou–Shenzhen Intercity Railway, also known as the Suishen Intercity Railway () is a regional rapid railway line that runs roughly along the east bank of the Pearl River connecting the major cities of Guangzhou, Dongguan, and Shenzhen. It will use CRH6 EMUs穗莞深城轨东莞境内设10站 . 2012年06月07日 with a top speed of .珠三角城際快速軌道RTS(廣州至深圳段)最高時速Max. Speed 140 km/h，《北環線和廣深港高速鐵路香港段資料文件》附件F，香港立法會交通事務委員會鐵路事宜小組委員會 2007-01-05 Operation began on 15 December 2019. In January 2026, Guangdong Intercity obtained operating rights and was incorporated into the network of PRDIR.
Zhuji ICR
The Zhuji Intercity Railway is a high-speed railway connecting Gongbei Subdistrict in Zhuhai with Zhuhai Jinwan Airport via Hengqin. Phase 1 started operation on 18 August 2020. Phase 2 from to Zhuhai Airport opened on 3 March 2024.
Guanghui ICR
The Guanghui Intercity Railway or Guanghui Urban Railway is a 25 station, 146.6 km long, regional rapid railway line that connects Guangzhou to Huizhou.莞惠城际轨道昨举行开工仪式，惠州日报报道 The line was originally planned to use subway type cars with Siemens technology. However it was plans changed partway through construction to use 8 car CRH6 EMUs capable of running up to . The line started construction in 2009 and was expected to open in late 2013. Construction was completed in June 2013 and test runs began in 2014, but the first segment of the line, from Xiaojinkou-Changping East did not open until 30 March 2016. On 23 January 2024, operation of Guanghui ICR has transferred from CR Guangzhou to Guangdong Intercity company.
Guangzhao ICR
The Guangzhao Intercity Railway or Fozhao Urban Railway is a 16 station long regional rapid railway line. It connects Guangzhou to Zhaoqing, via Foshan.广佛肇城轨力争明年建成通车 . 2012-03-21 Operation began on 30 March 2016. On 23 January 2024, operation of Guangzhao ICR has transferred from CR Guangzhou to Guangdong Intercity company.
Guangqing ICR
Guangzhou East Ring intercity railway
Palian ICR
The Pazhou-Lianhuashan Intercity Railway, as the project name is the "Pazhou Branch Line of the Guangzhou-Shenzhen Intercity Railway," branches off from Pazhou Station on the Guangzhou East Ring intercity railway and connects to Lianhuashan Station on the Guangzhou-Huizhou Intercity Railway. It opened on 29 September 2025.
Lines under construction Under construction Project Terminals/Stations Lengthkm (mi) Stations Construction progress Expected opening timeOwnerOperator Southern extension – 3 Under construction Late-2026Suishen intercity railwayShenguanhui Intercity (subsidiary of Shenzhen Metro) – 2 TBD West Ring – 9 Under construction 2027 Guangfo West Ring IntercityGuangdong Intercity
Guangfo Circular ICR
Ring service around Guangzhou and Foshan, mostly making use of trackage from other Metropolitan Region Intercity Railway Lines and existing freight railways. A new section under construction, known as the Guangfo Link, is a 35 km long railway line that connects Guangzhou South Railway Station to Foshan West Railway Station. It has a top speed of and will use 6 car CRH6 EMUs capable of running up to 2.5-minute frequencies.佛山西站到广州南站11分钟！ It is expected to start construction in late 2012 and completed in 2016 or 2017. This has now since been delayed to 2027.城轨广佛环线今年开工 通车后可一小时穿梭广佛肇 广佛环线获批 2016年有望坐城轨穿梭广佛肇
Shenzhen–Dayawan ICR An underground regional railway connecting Shenzhen and Huiyang District in southern Huizhou from Shenzhen Bao'an International Airport to Shenzhen Pingshan railway station. It started construction in 2022 and is expected to complete in late 2026.
Shenhui ICR An underground regional railway connecting Shenzhen and Huicheng District in northern Huizhou. It started construction in 2022 and is expected to complete in late 2026.
See also Shenzhen Metro Dongguan Rail Transit Foshan Metro (FMetro) Guangzhou Metro Hong Kong MTR Macau Light Rail Transit List of suburban and commuter rail systems
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