SR-1 Travel Route Rating
Threshold:
The travel route rating threshold tracks long-term,
cumulative changes to views seen from major roadways
in urban, transitional, and natural landscapes in the
region and to the views seen from Lake Tahoe looking
toward the shore.
Indicator(s):To
secure threshold attainment, all travel routes with
a 1982 score of 15.5 (roadway) or 7.5 (shoreline) or
greater must maintain their scores, and all travel routes
with a 1982 score of 15 (roadway) or 7 (shoreline) or
less must improve their scores until the threshold score
is reached.
SR-2, Scenic Quality Rating
Threshold:
The scenic quality rating threshold protects specific
views of scenic features of Tahoe's natural landscape
that can be seen from major roadways and from the lake.
Indicator(s):
To secure threshold attainment, all 1982 scenic quality
scores must be maintained.
SR-3, Public Recreation Areas and Bike Trails
Threshold:
The public recreation area threshold protects the viewshed
from public recreation areas and certain bicycle trails.
Indicator(s):
To secure threshold attainment, all 1993 scenic quality
scores must be maintained.
SR-4, Community Design
Threshold:
The community design threshold is a policy statement
that applies to the built environment. Design standards and guidelines found
in the Code of Ordinances, the Scenic Quality Improvement Program, and in the
adopted Community Plans provide specific implementation direction.
Indicator(s):
To secure threshold attainment, design standards and
guidelines must be widely implemented to improve travel
route ratings and produce built environments compatible
with the natural, scenic, and recreational values of
the region.
Click
here for more information about scenic indicators from
the TRPA 2001 Threshold Evaluation