Final answer:
Bike lanes in urban areas pose challenges due to congestion and safety concerns caused by bicyclists.
Explanation:
Urban areas face challenges with placing bike lanes due to issues such as congestion, accidents, and space utilization. Bicyclists may cause problems by contributing to crowded sidewalks and disregarding traffic rules. Exploring alternatives like buses and subways can help alleviate these issues.
Learn more about bike lanes here:
https://brainly.com/question/18252559
