The 54.1km Line 14 will link Jiahewanggang in the northeastern district of Baiyun with Jiekou in the southwest of the city, with a 28.1km branch serving the Knowledge City development in Luogang.

The 61.5km 20-station Line 21 will be an express line running from an interchange with lines 5 and 11 at Yuancun in the northern district of Tianhe to Zhengcheng in the east.

Both lines are due to be commissioned by the end of 2017.