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Tables A-1, A-2 and A•3 identify the LOS evaluation cAteria for signalized unsignak2 . <br /> TA •t <br /> Signaltzed Intersection Level of Service Criteria <br /> Stopped Delay: ::," <br /> _ <br /> { ndshtehtcie}.. pt <br /> ion <br /> A < 5.0 Very low delay. Most vehicles do not stop. <br /> B 5.1 to 15.0 Generally good progression of vehicles. Slight delays. <br /> C 15.1 to 25.0 Fair progression. increased number of stopped vehicles. <br /> 0 25.1 to 40.0 Noticeable congestion. Large portion of vehicles stopped. <br /> E 40.1 to 60.0 Poor progression. High delays and frequent cycle failure. <br /> F 60 Oversaturation. Force flow. Extensive queuing. <br /> Source: Highway Capacity Manual, Special Report 2K Transportation Research Board, 1985. <br /> TA A-2 <br /> Two-Way Stop Controlled Intersection Level of Service Criteria <br /> Reserve Capacity <br /> frQS gec r ptioa of �yaa lsdirior Stzest Traffic: <br /> A >400 Little or no delay <br /> B 300 to 399 Short traffic delays <br /> C 200 to 299 Average traffic delays <br /> D 100 to 199 Long traffic delays <br /> E 0 to 99 Very long delays <br /> F Severe congestion <br /> Notes: ' = Demand exceeds capacity. <br /> Source: Highway Capacity Manual, Special Report 209, Federal Highway Administration, 1985. <br />