Chapter 30.66B consists of a set of ordinances (regulations) that have been codified into Snohomish County Code (SCC), applying to the following areas: On New Development – The regulations apply to new land-use development proposals (for example, residential subdivisions or commercial buildings). For New Traffic – The regulations concern the new traffic that is expected to be added to the county road system by the new developments. Conditions of Approval – The regulations create requirements that must be met by the developments, as a condition of approval.
Mitigation Measures – As part of the requirements, developments typically must make improvements to the road system and/or pay into road improvement funds as mitigation for the impacts of the new traffic on the road system. "Reasonably Related" – All required mitigation measures must be reasonably related to the impacts of the developments. "Reasonable Benefit" – Improvements to the road system by the developers or constructed with payments from developers must reasonably benefit the new developments.