Clarence Eckerson Jr.

Without a doubt, 2013 has been a banner year for bike-share in the United States. Major systems were implemented in New York City and Chicago, and many others debuted or expanded in other cities. In fact, Citi Bike users have biked over 10 million miles and the system is closing in on 100,000 annual members!

Portland's South Waterfront is developing into one of the best new walkable urban neighborhoods in America. From one spot, you can grab the Portland Streetcar, ride the Portland Aerial Tram to Oregon Health and Science University, walk across abrand new pedestrian bridge, bike on a protected bikeway, or park your bike at the largest daily valet bike parking facility in the country.

Here we present our final -- and most informative -- Streetfilm from Amsterdam. It provides a nice cross-section of commentary on life in the City of Bikes. If you'd like to skip directly to a certain section, use this table of contents:

If you haven't seen the latest Streetfilm, Groningen: The World's Cycling City, you should check it out. Like, now! It has broken every single Streetfilms viewing record -- nearly 40,000 plays in just the first week.

It's fall and getting cooler in New York City, but that hasn't slowed down the people jumping on bikes. During rush hour it's starting to become a bit crowded, and that's a good thing. If you haven't been to NYC recently, you'll be amazed how much the protected bike lanes and Citi Bike are encouraging more people to ride.

It's no secret that just about anywhere you go in the Netherlands is an incredible place to bicycle. And in Groningen, a northern city with a population of 190,000 and a bike mode share of 50 percent, the cycling is as comfortable as in any city on Earth. The sheer number of people riding at any one time will astound you, as will the absence of automobiles in the city center, where cars seem extinct. It is remarkable just how quiet the city is. People go about their business running errands by bike, going to work by bike, and even holding hands by bike.

The future looks bright for Pittsburgh for 2014. As they prepare to host the Pro Walk Pro Bike Pro Place conference next September, last week Project for Public Spaces held a one-day summit in advance of next year's big event.

It's fair to say that I've been geeking out over streetscape improvements in NYC that incorporate plantings to manage stormwater runoff (here, here, and here). These sidewalk expansions are popping up all over the place near my apartment in Jackson Heights.