This indicator reporting category evaluates and rates scenic conditions of major roadways and views of the shoreline from the lake using two systems: travel route ratings to evaluate the travel experience, and scenic quality ratings which evaluate specific scenic resources (e.g., vistas of the lake, mountain peaks, etc.) seen from the travel unit. Roadway travel routes are separated into 54 separate roadway travel units and are assessed based on three categories that describe the dominant character of the travel route: natural, transitional, and urban. In addition to roadway routes, the lake's 72-mile shoreline is separated into 33 individual units, each representing a varying length of the shoreline that exhibits similar visual character when viewed from the lake. Each roadway unit and each shoreline unit is assessed using two scores, one for the quality of the travel experience and the other for the quality of specific scenic resources viewed from that unit. The TRPA Code of Ordinances, area plans, and the TRPA Design Review Guidelines, provide specific design standards and guidelines to ensure that redevelopment and development projects improve scenic quality and do not cause it to degrade.