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4. EVALUATION OF SERVICE MEASURES <br />As previously mentioned, there are six transit service measures identified in the TCQSM for <br />evaluating the quality of service provided by transit systems in Florida. Each measure is a <br />category for transit level of service (LOS). Each of the service measures identified in Table 1 <br />is assigned a LOS grade (similar to the highway LOS) from "A", representing the best <br />service, to "F", representing the worst level of service. It is important to note that the LOS is <br />based on the perspective of the transit rider. All of the measures, with the exception of <br />service coverage, are to be applied for a typical weekday P.M. peak period, with service <br />coverage addressed on a weekday basis. <br />A. SERVICE FREQUENCY LOS <br />The service frequency for urban scheduled bus service is measured by determining the <br />headways of the bus routes. Headway refers to the time between buses at the same <br />stop. Table 4 shows the level of service criteria for this measure, while Table 5 presents <br />the service frequency LOS for bus service connecting the 16 trip origin -destination pairs. <br />Table 4: Service Frequency Level of Service Standards <br />LOS <br />Headway <br />(Minutes) <br />Veh/Hr <br />Description <br />A <br /><10 <br />>6 <br />Passengers don't need schedules <br />B <br />10-14 <br />5-6 <br />Frequent service, passengers consult schedules <br />C <br />15-20 <br />3-4 <br />Maximum desirable time to wait if bus/train missed <br />D <br />21-30 <br />2 <br />Service unattractive to choice riders <br />E <br />31-60 <br />1 <br />Service available during the hour <br />F <br />>60 <br /><1 <br />Service unattractive to all riders <br />Source. TCQSM, 2"' Edition <br />Title A Program (2017 Update) Page 28 <br />P137 <br />