Annual Report - Chief Executive Office - Los Angeles County

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County Progress Report Percentage of County Unincorporated Roads Pavement Rated Satisfactory of Better Percent of Roads Satisfactory or Better 100 96 92 88 84 80 112 86% 95% 93% 93% 91% 89% 88% 88% 1998 1999 2000 2001 2002 2003 2004 2005 Source: Los Angeles County Department of Public Works countywide (Los Angeles Basin) road system and the roads in unincorporated County areas, which are maintained by the Los Angeles County Department of Public Works (DPW). Rating of the Condition of County Road System Percent 70 60 50 40 30 19% 20 10 5% 0 Very Good How are we doing? DPW reviews the condition of roads in unincorporated County areas every year. As shown in the chart to the left entitled, “Percentage of County Unincorporated Road Pavement Rated Satisfactory or Better,” pavement conditions declined in 2005. The lower pavement condition was due to state cuts in transportation funding and the 2005 severe winter storms. Traffic Mobility – Congestion at Intersections Indicator of Countywide Condition: Traffic congestion at major street intersections throughout the County 31% Percentage of monitored intersections countywide that were rated as severely congested during the A.M. peak hour in 2005 43% Percentage of monitored intersections countywide that were rated as severely congested during the P.M. peak hour in 2005 Indicator of County Performance: Traffic congestion at major street intersections in unincorporated County areas 14% Percentage of monitored intersections in unincorporated County areas that were rated as severely congested during the A.M. peak hour in 2005 43% Percentage of monitored intersections in unincorporated County areas that were rated as severely congested during the P.M. peak hour in 2005 Why is this important? The amount of traffic that can travel along our major streets is largely controlled by the amount of congestion at intersections. If intersections are less congested, traffic can move more freely on these streets during peak hours. The measure of congestion for major street intersections is known as the level of service (LOS). A letter grade of "A" to "F" is assigned to represent the severity of the congestion. At an intersection with LOS of "E" or "F", the most congested, motorists would likely need to wait in a long line of traffic or through several green-yellow-red cycles of a traffic signal. These delays result in lost time for the traveling public, longer commutes, and increased fuel usage and air pollution. How are we doing? 52% Good County of Los Angeles Annual Report 2006-2007 27% 31% 25% Satisfactory Mediocre Based on 164 monitored intersections selected throughout the County to represent the level of intersection congestion, the percentage of severely congested intersections has fluctuated over the last 12 years. 8% 12% Countywide (Los Angeles Basin) County Performance 4% Poor 17%
County of Los Angeles Annual Report 2006-2007 Of the 164 monitored intersections, 15 are located within unincorporated communities. In 2005, it was found that a few of these intersections became more congested. The increased congestion may be attributed to a couple of factors, a state highway project which resulted in the reduction in the number of travel lanes for one of the monitored intersections and greater traffic congestion on the freeways that resulted in increased traffic on adjacent bypassing arterials. Residential development in Riverside and San Bernardino Counties and the ensuing commutes to job centers in Los Angeles County have contributed to increased traffic on local freeways. A comparison of congestion at major street intersections in unincorporated County areas with the countywide condition is shown below. For the majority of the intersections, increasing the capacity would require the construction of additional traffic lanes. Typically, these improvements are difficult because of funding constraints and the lack of land adjacent to roadways to build additional traffic lanes. However, capacity enhancing projects are proposed for three of the congested intersections. All of the projects are scheduled to be completed in 2008. DPW may also pursue funding for additional capacity enhancing projects through the recently passed infrastructure bond initiatives. Percent of Major Street Intersections Congestion (LOS E/F) in the AM Peak Hour Percent 60 50 40 30 20 10 0 38% 29% 1992 37% 36% 1993 28% 1995 13% 32% 1997 13% 38% 1999 Countywide Unincorporated County 13% Percent of Major Street Intersections Congestion (LOS E/F) in the PM Peak Hour Percent 60 53% 50 40 43% 30 20 10 0 1992 50% 1993 29% 47% 1995 20% 40% 1997 20% 1999 Countywide Unincorporated County Supporting a Healthy Environment 47% 20% 38% 2001 55% 13% 2001 20% 42% Zoning Enforcement: Neighborhood Enhancement Team (NET) 2003 52% 2003 31% 13% 14% 38% 2005 43% 43% Indicator of County Performance: Impact of the NET in the unincorporated areas of Florence-Firestone and Walnut Park 90% Percentage of NET cases brought into compliance within six months in 2005-06 667 Number of NET cases completed 2005 County Progress Report 113
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Annual Report - Chief Executive Office - Los Angeles County

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