Architecture Scope

The scope of the Regional ITS Architecture can be described in terms of: 1) the size of the region and jurisdictions covered (geographic scope), 2) the planning or time horizon, and 3) the variety of transportation services that are covered. This scope is defined in the context of adjacent and overlapping Regional ITS Architectures.


The Regional Intelligent Transportation Systems (ITS) Architecture for the Vancouver Area Smart Trek (VAST) Region of urbanized Clark County, WA. The ITS Architecture provides an overall vision and conceptual framework for ITS deployment and integration in the region.

Key stakeholders include: C–TRAN, City of Vancouver, Clark County, WSDOT Southwest Region, Southwest Washington Regional Transportation Council (RTC), and Vancouver Area Smart Trek (VAST).

Time Frame: 5 years (2022–2026)

Geographic Scope

Urbanized Clark County, Washington (a/k/a the VAST Region), as defiend by the Regional Transportation Council.

Service Scope

All urban ITS services within Clark County, Washington, including relevant elements fo the adjacent ODOT Region 1 (Portland Metro) and WSDOT Southwest Region and Statewide ITS Architectures.

Related Architectures

Related ArchitectureDescription
WSDOT Southwest Region ITS ArchitectureDevelop an Intelligent Transportation Systems (ITS) Architecture and Implementation Plan for the Southwest Region of the Washington State Department of Transportation (WSDOT) and Lewis County including Cities of Centralia and Chehalis. The ITS Architecture provides an overall vision and conceptual framework for Intelligent Transportation Systems (ITS) deployment and integration in the region, while the Implementation Plan is a project– and time–based strategy for implementing specific ITS systems in a practical, chronological, and fiscally–constrained manner.