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- The Purple Line is an under construction 16.2-mile (26.1 km) light rail line intended to link several Maryland suburbs of Washington, D.C.: Bethesda, Silver Spring, College Park, and New Carrollton. The line will also enable riders to move between the Maryland branches of the Red, Green, Yellow, and Orange lines of the Washington Metro without riding into central Washington, and between all three lines of the MARC commuter rail system. The project is administered by the Maryland Transit Administration (MTA), an agency of the Maryland Department of Transportation (MDOT), and not the Washington Metropolitan Area Transit Authority (WMATA), which operates Metro. Throughout its decades-long planning process, the project was dogged by resistance, particularly from residents of the upscale community of Chevy Chase. From 2003 to 2006, Maryland Governor Robert Ehrlich changed the proposed mode of transportation from light rail to bus rapid transit. Legal attempts to thwart the line continued even after construction had begun; but in December 2017, the U.S. Court of Appeals for the D.C. Circuit ruled that Purple Line construction could continue despite these objections. In 2016, a consortium headed by Fluor Enterprises won the contract to design and build the Purple Line, then to operate and maintain it for 36 years. Construction began in August 2017. Work halted in September 2020, when the consortium withdrew from the contract, citing mounting delays and disputes with the state government. The project had already consumed $1.1 billion of the anticipated $2 billion construction cost. A new general contractor was selected in November 2021 and a new contract was signed in April 2022. This new agreement added $3.7 billion to the total cost of building, running, and maintaining the Purple Line for 30 years, bringing it to $9.3 billion. Construction costs alone rose $1.46 billion, bringing the total to $3.4 billion. Full-scale construction activity resumed in summer 2022. Train service is scheduled to begin in fall 2026. (en)
- 馬里蘭州輕軌紫線是美國一條仍在建設中的26.1公里長（16.2英里）輕軌路線，預計連接華盛頓與其近郊的馬里蘭州貝塞斯達、銀泉、大學公園和新卡羅頓。 完工後可連接華盛頓地鐵的紅線、綠線、黃線和橙線，前述各線旅客馬里蘭州境內可經由本線轉乘，無需乘車進入華盛頓市中心再轉乘。本線也將提供轉乘馬里蘭區域通勤鐵路所有三條路線的轉乘服務。 本計畫由下屬機構(MTA) 管理，而非負責華盛頓地鐵營運的華盛頓都會區交通局(WMATA)。 在長達數十年的規劃過程中，本線持續受到阻撓，尤其是高級住宅區的居民。在州長執政期間，曾計畫改建名為雙縣運輸（Bi-County Transitway） 的快速公車服務。紫線開始施工後仍有人嘗試以法律途徑阻止建設。在 2017 年 12 月，美國華盛頓特區巡迴上訴法院裁定，紫線建設可以繼續。 紫線運輸（Purple Line Transit Partners，由領銜組成）負責規劃和建築工程，以及36年的營運權與維護工作。 工程於 2017 年 8 月開始，但在 2020 年 9 月停止。 該公司宣布由於延誤以及與州政府的糾紛，將終止合約。至此已經花費了預計的 20 億美元建設成本中的 11 億美元。 2021 年 11 月選出了新的承包商。根據新合約，總建築成本將上升至 34 億美元。包括建設、營運、維護在內的 30 年總成本將從 56 億美元增加到 93 億美元。預計將於2022年夏季恢復施工，並於2026年秋季通車。 (zh)
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- The Purple Line is an under construction 16.2-mile (26.1 km) light rail line intended to link several Maryland suburbs of Washington, D.C.: Bethesda, Silver Spring, College Park, and New Carrollton. The line will also enable riders to move between the Maryland branches of the Red, Green, Yellow, and Orange lines of the Washington Metro without riding into central Washington, and between all three lines of the MARC commuter rail system. The project is administered by the Maryland Transit Administration (MTA), an agency of the Maryland Department of Transportation (MDOT), and not the Washington Metropolitan Area Transit Authority (WMATA), which operates Metro. (en)
- 馬里蘭州輕軌紫線是美國一條仍在建設中的26.1公里長（16.2英里）輕軌路線，預計連接華盛頓與其近郊的馬里蘭州貝塞斯達、銀泉、大學公園和新卡羅頓。 完工後可連接華盛頓地鐵的紅線、綠線、黃線和橙線，前述各線旅客馬里蘭州境內可經由本線轉乘，無需乘車進入華盛頓市中心再轉乘。本線也將提供轉乘馬里蘭區域通勤鐵路所有三條路線的轉乘服務。 本計畫由下屬機構(MTA) 管理，而非負責華盛頓地鐵營運的華盛頓都會區交通局(WMATA)。 在長達數十年的規劃過程中，本線持續受到阻撓，尤其是高級住宅區的居民。在州長執政期間，曾計畫改建名為雙縣運輸（Bi-County Transitway） 的快速公車服務。紫線開始施工後仍有人嘗試以法律途徑阻止建設。在 2017 年 12 月，美國華盛頓特區巡迴上訴法院裁定，紫線建設可以繼續。 紫線運輸（Purple Line Transit Partners，由領銜組成）負責規劃和建築工程，以及36年的營運權與維護工作。 工程於 2017 年 8 月開始，但在 2020 年 9 月停止。 該公司宣布由於延誤以及與州政府的糾紛，將終止合約。至此已經花費了預計的 20 億美元建設成本中的 11 億美元。 (zh)
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