Question: Up to how many people passed through Union Station in Washington D.C. daily during World War II?
About the article "Union Station (Washington, D.C.)", section "Opening and operation".

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Union Station is a major train station, transportation hub, and leisure destination in Washington, D.C.
Visited by 32 million people a year, Union Station is one of the busiest train stations in the country and is served by Amtrak, MARC and VRE commuter rail services, the Washington Metro, and buses.
It opened in 1907 and at its height during World War II some 200,000 people passed through it every day.
It is also the headquarters for Amtrak. 
When the Pennsylvania Railroad and the Baltimore and Ohio Railroad announced in 1901 that they planned to build a new union terminal, the city had two reasons to celebrate.
The decision meant that both railroads would soon remove their trackwork and terminals from the National Mall.
Though changes there appeared only gradually, the consolidation of the depots allowed the creation of the Mall as it appears today.
Secondly, the plan to bring all the city's railroads under one roof promised that Washington would finally have a station both large enough to handle large crowds and impressive enough to befit the city's role as the federal capital.
Union Station opened on October 27, 1907, with the arrival of a Baltimore and Ohio Railroad passenger train from Pittsburgh.
The terminal quickly became the portal to the Capitol.
At no time was it busier than during World War II, when as many as 200,000 people passed through in a single day.
For most of its existence, Union Station served as a hub, with service of the Baltimore and Ohio Railroad, Pennsylvania Railroad, and Southern Railway.
The Richmond, Fredericksburg & Potomac Railroad provided a link to Richmond, Virginia, about to the south, where major north-south lines of the Atlantic Coast Line Railroad and Seaboard Air Line Railroad provided service to the Carolinas, Georgia, and Florida.
Sonia Steinman Gold has been alleged to be part of the Silvermaster spy ring in Washington D.C., spying for the Soviet Union during World War II.  
In 1901, the Senate Park Improvement Commission of the District of Columbia (the "McMillan Commission"), which Congress had formed the previous year, formulated the McMillan Plan, an architectural plan for the redevelopment of the National Mall.
The commission was inspired by L'Enfant's 1791 plan for the city, which had not been fully realized.
The members of the commission also sought to emulate the grandeur of European capitals such as Paris, London, and Rome.
They were also strongly influenced by the City Beautiful movement, a Progressive ideology that intended to build civic virtue in the poor through important, monumental architecture.
Several of the Commission members, including Daniel Burnham and Frederick Law Olmsted, Jr. had in fact participated in the 1893 World Columbian Exposition, which was widely popular and helped to spread interest in the City Beautiful movement.
The McMillan Plan in many respects was an early form of urban renewal that removed many of the slums that surrounded the Capitol, replacing them with new public monuments and government buildings.
The Plan proposed a redesign of the National Mall and the construction of the future Burnham-designed Union Station.
World War I interrupted the execution of the Plan, but construction of the Lincoln Memorial in 1922 largely completed it.
Although the McMillan Plan resulted in the demolition of some slums in the Federal Triangle area, substandard housing was a much larger problem in the city during the early 1900s, with large portions of the population living in so-called "alley dwellings."
Progressive efforts eventually led to the creation of the Alley Dwelling Authority in 1934.
The agency, led by John Ihlder, was an early example of a public housing agency, and was responsible for demolishing slum housing and building new units that were affordable, modern, and sanitary.
During his first administration, President Woodrow Wilson introduced segregation into several federal departments, for the first time since 1863.
He supported some cabinet appointees in their request for segregation of employees and creation of separate lunchrooms and restrooms.
He was highly criticized for this, especially as he had attracted numerous votes from blacks.
The policy held for decades.
One advantage of federal rule over the District of Columbia was that the public school teachers were considered federal workers.
Although the schools were segregated, black and white teachers were paid on an equal scale.
The system attracted highly qualified teachers, especially for the M Street School (later called Dunbar High School), the academic high school for African Americans.
In July 1919, whites, including uniformed sailors and soldiers, attacked blacks in Washington during Red Summer, when violence broke out in cities across the country.
The catalyst in Washington was the rumored arrest of a black man for rape; in four days of mob violence, white men randomly beat black people on the street, and pulled others off streetcars for attacks.
When police refused to intervene, the black population fought back.
Troops tried to restore order as the city closed saloons and theaters, but a summer rainstorm had a more dampening effect.
A total of 15 people were killed: 10 whites, including two police officers; and five blacks.
Fifty people were seriously wounded and another 100 less severely wounded.
The NAACP protested to President Wilson.
In 1922, Washington was hit by its deadliest natural disaster when the Knickerbocker Storm dumped of snow, causing the roof to collapse at the Knickerbocker Theater, a silent movie house.
Ninety-eight people were killed, including a U.S.
Congressman; 133 were injured.
On July 28, 1932, President Herbert Hoover ordered the United States Army to forcibly evict the "Bonus Army" of World War I veterans who gathered in Washington, D.C., to secure promised veterans' benefits early.
U.S. troops dispersed the last of the "Bonus Army" the next day.
During the Great Depression of the 1930s, the city's population grew rapidly with the creation of additional Federal agencies under the New Deal programs of President Franklin D. Roosevelt, during which most of the Federal Triangle buildings were constructed.
World War II brought further population increases and a significant housing shortage, as existing residents were urged to rent rooms to the influx of Federal staffers who arrived from throughout the country.
During the war, as many as 200,000 railroad passengers passed through Union Station in a single day.
The Pentagon was built in nearby Arlington to efficiently consolidate Federal defense offices under one roof.
One of the largest office buildings in the world, it was built rapidly during the early years of the war, partially opening in 1942, and complete in 1943. 
Gilbane, Inc., based in Providence, Rhode Island, is a family-owned, national construction and real estate development company.
Forbes ranked Gilbane as the 108th largest privately held company in the United States in 2006 with estimated revenues of $2.83 billion and in 2009 named the company of the "100 best companies to work for" in the United States.
Gilbane is one of the nation’s oldest builders.
The company was founded in 1873 by William H. Gilbane and his brother Thomas as a family-run carpentry and general contracting shop in Providence, Rhode Island.
Originally known as William H. Gilbane and Brother, the firm quickly developed a reputation for quality, and for building some of the finest homes in Providence.
New projects soon followed, including churches, hospitals and other public buildings that are still in use today.
In the early 1900s, William H. Gilbane took control of the company and steered it through the lean times of the Great Depression.
In the 1930s, his sons Thomas F. Gilbane, Jr. and William J. Gilbane, Jr. joined the company and made Gilbane’s reputation as a pioneer in construction management — first with major defense projects during World War II, and then with the Smithsonian’s National Air and Space Museum, which opened on time and budget in Washington, D.C. on July 4, 1976.
In 1970 Gilbane expanded its services and formed the development unit now known as Gilbane Development Company.
Today, fourth-generation members of the family lead the company, which has more than 25 offices across the United States.
Paul J. Choquette, Jr., son of third-generation family member Virginia Gilbane Choquette, is chairman of Gilbane Inc. Thomas F. Gilbane, Jr. is chairman and CEO, and William J. Gilbane, Jr. is president and COO of Gilbane Building Company.
Robert V. Gilbane is president of Gilbane Development Company.
During the past two decades, Gilbane has completed a number notable public projects including:- Lake Placid Winter Olympics Facilities, Lake Placid, NY - Vietnam Veterans Memorial, Washington D.C. - Smithsonian Institution's National Air & Space Museum, Washington D.C. - The National Archives, College Park, MD - US Strategic Petroleum Reserve for the Department of Energy, New Orleans, LA - O'Hare International Airport, Terminal 5, Chicago, IL - Union Station Restoration, Washington D.C.- U. S. Department of Justice, Washington D.C.- World War II Memorial, Washington D.C.- US Capitol Visitors Center, Washington D.C.- George R. Brown Convention Center, Houston, TX- Prudential Center, "The Rock" New Jersey Devils Arena, Newark, NJFamily Business Magazine ranks Gilbane as the 64th largest family business in the United States.
Engineering News Record ranked Gilbane Building Company as the 5th largest construction manager in the United States in 2007.http://www.forbes.com/lists/2006/21/biz_06privates_Gilbane_GTFO.html http://www.familybusinessmagazine.com/top150.html http://enr.construction.com/people/topLists/topCmRisk/topcmrisk_1-50.asp