An implied goal of the managed lanes concept is to offer additional choices to motorists on a section of freeway. These choices can vary by time of day or possibly in response to changing traffic conditions on either the managed lane or the other general-purpose lanes in the corridor or region. The extent to which travelers can and will accomodate such operatioinal flexibility that they can make effective decisions pertaining to their trip. The information needed to support such decisions must be safely and effectively interwoven with that information required for motorists to safely control, guide, and navigate their vehicles into and along managed lanes. This paper examines how signing for managed lanes facility users, and provides information on good signing practices that can help ensure driver comprehension and safe and efficient use of managed lanes facility.