Is the U.S. bike-friendly?

Are there any initiatives or policies in place in the United States that make it a bike-friendly country? Are there dedicated bike lanes on roads and highways, or are there any other measures being taken to encourage cycling as a mode of transportation? Are there any challenges that cyclists face in the U.S. when it comes to safety, infrastructure, or accessibility? How does the U.S. compare to other countries in terms of its bike-friendliness?