12/30/2023 0 Comments Caltrans san diego traffic map![]() ![]() Unless otherwise indicated, peak hour values indicate the volume in both directions.Ī few hours each year are higher than the "peak hour", but not many. This value is useful to traffic engineers in estimating the amount of congestion experienced, and shows how near to capacity the highway is operating. Included is an estimate of the "peak hour" traffic at all points on the state highway system. planning and designing highways and other purposes. Annual ADT is necessary for presenting a statewide picture of traffic flow, evaluating traffic trends, computing accident rates. The resulting counts are adjusted to an estimate of annual average daily traffic by compensating for seasonal influence, weekly variation and other variables which may be present. Traffic Counting is generally performed by electronic counting instruments moved from location throughout the State in a program of continuous traffic count sampling. ![]() Very few locations in California are actually counted continuously. The traffic count year is from October 1st through September 30th. Annual Average Daily Traffic (Annual ADT)Īnnual average daily traffic is the total volume for the year divided by 365 days. Route Number: All California state highways are listed in this booklet in order of Legislative Route number. These files can be imported into spreadsheets or data bases for viewing and analysis. The files containing Traffic Volumes (also known as Traffic Counts) on California state highways are available for downloading. For previous year Traffic Counts, visit the main Traffic Census Program homepage to access available PDF or Excel file by year. ![]()
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