Hong Kong, Macao build more links with mainland

Drivers can also use ETC of the mainland and Auto toll of Hong Kong to pay expenses.

The bridge helps form a closed urban business circle in the Guangdong-Hong Kong-Macao Greater Bay Area.

The cities in the Bay Area, commonly known as the "9+2", comprise the Guangdong province cities of Guangzhou, Foshan, Shenzhen, Dongguan, Huizhou, Zhuhai, Zhongshan, Jiangmen and Zhaoqing, plus the two special administrative regions of Hong Kong and Macao.