Researchers have detected a disease threatening cycling infrastructure investment. Although city administrators continue to invest in living streets, until cyclists becomes self-aware, the automobile will continue to dominate cities.
While Angie Schmitt doesn't ask this question in her article on the movement behind these lanes, she writes that cities without them "are being left behind". They're popular because they effectively address the #1 reason for not riding: safety
NPR's Joel Rose interviews Streetsblog founder and Brooklyn Prospect Park West bike lane advocate Aaron Naparstek, and bike lane opponents for this 3-minute, "All Things Considered" radio story on New York's most controversial bike lane.