Datong–Zhangjiakou high-speed railway

{{Short description|Railway line in China}}

{{Infobox rail line

| box_width =

| name = Datong–Zhangjiakou high-speed railway
{{nobold|{{lang|zh-hans|大张客运专线}}}}

| other_name = Dazhang passenger dedicated line

| color =

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| logo_width = 100px

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| type = High-speed rail

| system = China Railway

| status = In operation

| locale = Hebei
Shanxi

| start = Datong South

| end = Zhangjiakou

| stations = 5

| routes = 1

| daily_ridership =

| ridership2 =

| open = 30 December 2019

| planopen =

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| owner =

| operator = China Railway High-speed

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| linelength = {{convert|141.524|km|mi|3|abbr=on}}

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| gauge = {{RailGauge|sg|allk=on}}

| old_gauge =

| load_gauge =

| minradius = {{cvt|4000|m|ft}}

| maxincline = 2.0%, 2.5% in difficult areas

| racksystem =

| speed_km/h = 250

| signalling = Automatic block

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| electrification =

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| website =

| map = {{Datong–Zhangjiakou high-speed railway}}

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}}

The Datong–Zhangjiakou high-speed railway, also known as the Dazhang passenger dedicated line ({{zh|s=大张客运专线|p=Dàzhāng kèyùn zhuānxiàn}}), is a high-speed railway connecting Zhangjiakou in Hebei province (eastern terminus) and Datong in Shanxi province (western terminus). The main line is approximately {{Convert|141.524|km}} long and includes five stations. It connects to the Beijing–Zhangjiakou intercity railway at Zhangjiakou station and shares tracks with the Huzhang Passenger Dedicated Line between Zhangjiakou station and Huai'an station. The line diverges at Huai'an Station and connects to the Datong–Xi'an passenger railway at Datong South.{{cite web|url=http://www.tsdig.com/admin/Upload/file/%E6%96%B0%E5%BB%BA%E5%A4%A7%E5%90%8C%E8%87%B3%E5%BC%A0%E5%AE%B6%E5%8F%A3%E9%93%81%E8%B7%AF%E5%AE%A2%E8%BF%90%E4%B8%93%E7%BA%BF%E5%85%A8%E6%9C%AC%E5%85%AC%E7%A4%BA(%E7%AC%AC%E4%B8%80%E9%83%A8%E5%88%86%EF%BC%89.pdf|archive-url=https://web.archive.org/web/20161011035541/http://www.tsdig.com/admin/Upload/file/%E6%96%B0%E5%BB%BA%E5%A4%A7%E5%90%8C%E8%87%B3%E5%BC%A0%E5%AE%B6%E5%8F%A3%E9%93%81%E8%B7%AF%E5%AE%A2%E8%BF%90%E4%B8%93%E7%BA%BF%E5%85%A8%E6%9C%AC%E5%85%AC%E7%A4%BA%28%E7%AC%AC%E4%B8%80%E9%83%A8%E5%88%86%EF%BC%89.pdf|title=新建大同至张家口铁路客运专线环境影响报告书 |trans-title=Environmental Impact Report of the Newly Established Datong-Zhangjiakou Passenger Dedicated Railway Line|access-date=17 June 2020|date=May 2015|publisher=铁三院|archive-date=11 October 2016|url-status=dead|language=zh}} It forms part of the Beijing–Zhangjiakou–Datong–Taiyuan branch of the Beijing–Kunming corridor.