The project team has performed an initial, high-level assessment of all eighteen corridor alignment concepts using the following project evaluation criteria:
Vehicular Mobility - Addresses an existing or forecast deficiency in north-south mobility. Concepts scoring well in this category provided an efficient connection from the southern to northern study area boundaries while accommodating vehicles entering from both the east and west.
Multi-Modal Mobility - Enhances travel distance and comfort of pedestrians and bicyclists and connects to trails and other facilities. Concepts providing significant bike connectivity and without significant grade increases or decreases scored highly in this category.
Local Access - Maintains and/or enhances vehicular access to the neighborhoods, businesses, and public facilities along the corridor. Concepts that maintain the existing network without limiting access to existing properties scored highly in this category.
Safety - Improves safety for bicyclists and pedestrians and improves emergency response time. Concepts with flat terrains and intersection without skewed angles scored highly in this category.
Impacts to Natural Environment - Minimizes impacts to streams, wetlands, riparian areas, wildlife habitats, open spaces (such as parks and lawns), and other natural resources. Concepts limiting stream crossings, new pavement and encroachments on area buttes scored highly.
Impacts to Build Environment - Minimizes right-of-way impacts on existing and future development in the study area, including property acquisition requirements, socio-economic impacts, noise/air impacts, cultural resources, and hazardous waste sites.
Land Use Compatibility - Is consistent with the plans and standards of Clackamas County, Damascus, Happy Valley, Gresham, Metro and special districts. Concepts connecting to proposed future retail and residential developments scored highly.
Flexibility of Implementation - Can be constructed in phases and expanded concurrent with development needs to maximize capital budgets
Cost Effectiveness - Has positive economic benefits when compared to costs, and thereby has high overall value
Aesthetic Character - Enhances potential visual character of the corridor, including elements such as landscaping and preservation of the rural character
Environmental Enhancement - Positive environmental impact of street footprint and includes green street features
Multi-Modal Safety - Provides safety and comfort for all users, especially non-auto travelers
Maintenance - Minimizes ongoing maintenance and upkeep, including drainage system maintenance, pavement maintenance, and landscape maintenance
Functionality - Effectively serves role as major arterial, and provides efficient movements for all travel modes including passenger cars, trucks, buses, bicycles and pedestrians
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