The Latest: Too many protesters to hold march in Chicago

Trump's motorcade was on its way back to the White House from a prayer service when he passed several prominent groups of protesters.

Some of the protesters held up signs that likened women's rights to human rights.

Figures from transportation officials in Washington suggest more people may be on the National Mall for the women's march than came for President Donald Trump's inauguration.

Greyhound reported adding more buses from New York.

[...] a commuter rail system in Washington added five times its normal capacity to help deal with the crowds.

Moore says those concerned about Trump should join organizations like Planned Parenthood, the American Civil Liberties Union and environmental groups.

Bowser says in the era of President Trump, Americans must stand up for immigration rights and LGBT rights.

Before President Donald Trump's inauguration on Friday morning, Metro subway officials said only two of its parking garages and lots were at more than 60 percent capacity.

In New York, Greyhound had to scramble to get extra buses and drivers for the 3:45 a.m. departure to Washington after a crush of last-minute ticket purchases.

Officials added trains to their Saturday morning schedule in anticipation of higher-than-usual ridership, but passengers are still reporting standing-room-only trains and crowded platforms.

Other signs include slogans such as No to sexism, ''Women's rights are human rights, and Our bodies, our minds, our power.

President John F. Kennedy gave a famous speech in Berlin in 1963 when he said he considered himself "a Berliner" — a remark that helped keep up morale in the Western part of the then-divided city.

The former Democratic nominee for president is thanking attendees on Twitter for "standing, speaking and marching for our values."

There were early signs across Washington that Saturday's crowds could top those that gathered on Friday to watch President Donald Trump's inauguration.

Metro subway stations and train cars are full in many locations, while ridership on Friday was well off the numbers from Barack Obama's first inaugural.

The march's National Park Service permit estimated a turnout of 200,000, but the District of Columbia's homeland security chief had previously predicted turnout would be higher.

In Wenceslas Square in freezing conditions, they waved the portraits of President Donald Trump and Russian leader Vladimir Putin, as well banners that read: "This is just the beginning."

Organizer Johanna Nejedlova says: "We are worried about the way some politicians talk, especially during the American elections."

The mission statement of the Women's March on Washington says event participants are "hurting and scared" as Donald Trump takes office — and they want a greater voice for women in political life.

The event follows a chaotic day in the nation's capital when protesters set fires and hurled bricks in a series of clashes with police.