What are the most significant local concerns in bike racing in the USA that can be addressed through innovative infrastructure development, policy changes, or community outreach programs, and how can these solutions be scaled and replicated across different regions to create a safer and more inclusive bike racing environment? For instance, are there specific challenges related to road safety, bike lane infrastructure, or permitting processes that hinder the growth of bike racing in certain areas? Are there successful models or initiatives that have addressed these concerns in other parts of the country, and how can they be adapted to fit the unique needs of different local communities? By identifying and tackling these local concerns, what opportunities can be created for bike racing to become a more accessible and appealing sport for a wider range of participants and spectators?