The expansion of railway infrastructure construction in the United States  

U. S. vice president Biden has announced a $2 billion 450 million grant to the US national railway passenger transport company to expand services and upgrade industries.

The national railway passenger transport company plans to include high speed trains between Washington and Boston.

The American railway infrastructure is lagging behind many developed countries, especially the high speed rail.

The new train will be put into use in 2012, up to 160 miles per hour. And add 1/3 seats.

Biden says the United States needs more such investment to promote transportation and increase employment.

The northeastern corridor of the US national railway passenger transport company, including Washington, New York and Boston, is the busiest route in the United States.

The number of people on the 2015 line reached a new high, reaching 117 million.

The New Jersey Senate, Cory Booker, says the Northeast corridor is the country's economic engine, contributing $50 billion a year to GDP.