Average Daily Traffic. The average of 24 hr. traffic counts collected over a number of days greater than one but less than a year. Backslope A cut slope, the segment of the roadside geometry that slopes up from the outside edge of a ditch to intersect with the existing ground. Balance When the amount of available excavation equals the amount of needed embankment. Balance Points A location along a roadway where an earthwork balance occurs. Balance Factors Multipliers applied to embankment volumes to adjust for shrinkage or swell of the soils used for embankment. Barrier A structure used to protect traffic from hazardous conditions along the roadside or medians. Barrier Curb Steep-face curb design to inhibit encroachment on state right- of-way. Base Course The layer or layers of specified or selected material of designed thickness placed on a subbase or a subgrade to support a pavement surface course. Benefit-Cost Comparison An economic evaluation to determine if a given design is warranted and justified based on the costs and benefits associated with it. Bid A contractor’s written offer to construct a project based on the contract documents (plans, specifications, special provisions, etc.) at a specified price. Bicycle Facilities Defined by MUTCD as “A general term denoting improvements and provisions that accommodate or encourage bicycling, including parking and storage facilities, and shared roadways not specifically defined for bicycle use.” Bicycle Lane Defined by MUTCD as “A portion of a roadway that has been designated for preferential or exclusive use by bicyclists by pavement markings and, if used, signs.” Bicycle Path A facility physically separated from motorized traffic facilities, either within a highway right-of-way or on another alignment, for either the preferential or exclusive use by bicyclists. Bikeway Defined by MUTCD as “A generic term for any road, street, path or way that in some manner is specifically designated for bicycle travel, regardless of whether such facilities are designated for the exclusive use of bicycles or are to be shared with other transportation modes.” Blended Transition Defined by the Proposed Guidelines as “A raised pedestrian street crossing, depressed corner, or similar connection between the pedestrian access route at the level of the sidewalk and the level of the pedestrian street crossing that has a grade of 5 percent or less.” Blue Top Book A construction book that provides a format for finish stake (blue top) notes to be recorded....
Average Daily Traffic. (ADT) volume and daily volume distribution analysis at 6 locations on and nearby the corridor (identified in Existing Conditions memo).
Average Daily Traffic. (ADT) values for affected roads?
