San Francisco wished to replace its CEQA threshold of significance for evaluating project impacts to automobile LOS at intersections with a threshold that is more supportive of the City's 'transit first' policy. Eisen|Letunic was charged with researching the technical and policy bases needed for establishing alternative CEQA thresholds of significance; preparing case studies (including best practices) of thresholds established by other jurisdictions; and developing a strategy for the adoption and implementation of the new, replacement CEQA threshold.