Bike ridership jumped more than 413 percent after Seattle upgraded a key corridor from a mere painted bike lane into a beefier protected version, a city official revealed on Thursday.

Department of Transportation lead engineer Dongho Chang tweeted about the surge along Second Avenue as a way to highlight the game-changing power of a protected lane versus a painted lane.

“Downtown has always been a challenging area for people to ride, especially with our hilly terrain,” Chang posted on social media. “The numbers show that people will use bicycle facilities when it is more comfortable and thoughtfully connected.