Complex sentence: Following the split, Eleventh Avenue is two-way traffic for access to 23rd and 24th Streets (to access Chelsea Piers), and is one-way southbound from 24th to 44th Streets, where two-way traffic resumes.
Split into simpler sentences: Following the split, Eleventh Avenue is two-way traffic for access to 23rd Street, as well as for 24th Street to access Chelsea Piers. North of 24th Street, 11th Avenue is one-way southbound from 24th to 44th Streets, where two-way traffic resumes.