Street Design Manual

GLOSSARY

AASHTO - American Association of State Highway Transportation Officials. Access Point - A point of ingress and/or egress, which connects a development to a public or private street. Approach - The portion of an intersection leg which is used by traffic approaching the intersection.

Bicycle Lanes - A portion of the roadway that has been designated by pavement markings for the preferential and exclusive use of bicyclists. Capacity - The maximum sustainable hourly rate at which persons or vehicles can reasonably be expected to traverse a point or uniform segment of a lane or roadway during a given time period under prevailing traffic, roadway and control conditions. City - The City of Raleigh, North Carolina. City Code - The Charter and Code of Ordinances of the City of Raleigh, North Carolina. City Council - The governing body for the City of Raleigh, North Carolina. City Standards and Specifications - Those standards prescribed for construction set out in this Manual and the City Code. Commercial Driveway Access - Any driveway access point that does not meet the definition of residential driveway access. Comprehensive Plan - The “Raleigh Comprehensive Plan” was adopted by the City Council as a guide for the development of the City and territory surrounding the City, consisting of maps, charts and text. Connective Street - A street within a development, other than a cul-de-sac street or loop street, which will allow vehicular and pedestrian circulation to adjoining developments; thereby providing for community-wide circulation. Coordination (signal) - Maintaining a predictable time relationship between the operation of a traffic signal relative to the operation of other signals in a group or system. Curb cut - The entrance (apron) to connect the driveway to the street Cycle - A complete sequence of traffic signal indications. Cycle Length - The time elapsed between the endings of two sequential terminations of a given interval. For coordinated signals, this is measured by using the coordinated phase green interval. Design Adjustment – A request for an alternate design. Submittal shall occur in accordance with Section 10.2.18 of the UDO and meet all criteria as outlined in the UDO and this Manual. A Design Adjust does not allow for a waiver from fees. Design Speed - Usually up to five miles per hour above the expected operating speed of the facility under design.

Raleigh Street Design Manual – Page 104