Is sharing increasingly congested car lanes practical as numbers of bicyclists increase in a community?

Would consideration of bicycles while designing road striping plans benefit bicyclists' transit of large numbers of bicyclists thru a community congested with auto traffic?

must be nice steve, but i doubt all your roads are as idyllic as that picture. Certainly not strip mall roads, suburban drag strip arterials.

Have you ever ridden on high speed roads, Steve, getting honks from angry impatient drivers as you tootle along in the narrow lane?