In a few weeks, voters in Pierce, King and Snohomish counties will make a decision about Regional Proposition 1, also known as Sound Transit 3. But in 2004, voters in eight Colorado counties approved their own rail expansion called FasTracks.
Census data show that both the Seattle and Denver regions were among the top five fastest growing metro areas last year. Both areas have also largely focused on rail as a solution to congestion.
In the fifth part of our series, Sound Transit 3: The $54 Billion Question, reporter Simone Alicea talks to Colorado Public Radio's Nathan Heffel about the FasTracks rollout and why the price tag in Denver was so much smaller.
For more details about the Denver and Seattle transit expansions, see the chart below. Please refresh page if the chart does not load.