Line 4 (Fuzhou Metro)

{{Short description|Metro line in Fuzhou, Fujian, China}}

{{Infobox rail line

| name =

| logo = Icon of FZM L4.svg

| logo_width = 80px

| color = {{rcr|Fuzhou Metro|4}}

| image = 0411 reversing at Difengjiang (20250126135316).jpg

| image_width = 300px

| image_alt =

| caption = A Line 4 train at Difengjiang station

| type = Rapid transit

| system = Fuzhou Metro

| status = Operational

| locale = Fuzhou, Fujian, China

| start = {{stl|Fuzhou Metro|Fenghuangchi}}

| end = {{stl|Fuzhou Metro|Difengjiang}}

| stations = 19 (operational)
23 (Full of Phase 1)

| routes = 1

| daily_ridership =

| planopen =

| open = 27 August 2023 (Fenghuangchi to Difengjiang)
2024 (Fenghuangchi to Banzhou)

| close =

| owner = City of Fuzhou

| operator = Fuzhou Metro Co., Ltd.

| character = Underground

| depot =

| stock =

| linelength = {{convert|24|km|mi|2|abbr=on}} (in operation)
{{convert|28.4|km|mi|2|abbr=on}} (Full of Phase 1)

| tracklength =

| tracks = 2

| gauge = {{RailGauge|sg}}

| electrification = Overhead lines, 1,500 V DC

| speed =

| elevation =

| website =

| map =

| map_state = collapsed

}}

Line 4 of the Fuzhou Metro ({{zh|s=福州地铁4号线|p=Fúzhōu Dìtiě Sì Hào Xiàn}}) is a metro line in Fuzhou. It starts at Banzhou and ends at Difengjiang. The total length is 28.4 km (24 km in operation). Line 4's color is {{colorbull|#{{rcr|Fuzhou Metro|4}}}} orange. The section from Fenghuangchi to Difengjiang opened on 27 August 2023.{{Cite web|url=https://m.fznews.com.cn/fzxw/20230826/7wG7887F61.shtml |date=2023-08-26 |title=8月27日，福州地铁双线开通载客运营|archive-url=https://web.archive.org/web/20230826080046/https://m.fznews.com.cn/fzxw/20230826/7wG7887F61.shtml |archive-date=2023-08-26}}