[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-08-31。"],[[["\u003cp\u003eThe \u003ccode\u003eduration\u003c/code\u003e field provides estimated travel time influenced by the \u003ccode\u003etraffic_model\u003c/code\u003e setting.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003etraffic_model\u003c/code\u003e options include \u003ccode\u003eBEST_GUESS\u003c/code\u003e (default), \u003ccode\u003ePESSIMISTIC\u003c/code\u003e, and \u003ccode\u003eOPTIMISTIC\u003c/code\u003e, impacting travel time predictions.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eBEST_GUESS\u003c/code\u003e considers historical and live traffic data for travel time estimation, with live traffic having more impact closer to departure.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003ePESSIMISTIC\u003c/code\u003e and \u003ccode\u003eOPTIMISTIC\u003c/code\u003e offer durations longer and shorter than actual travel times on most days, respectively, accounting for traffic variations.\u003c/p\u003e\n"]]],["The core content outlines how to specify traffic-based time calculations, impacting the `duration` field. The `TRAFFIC_MODEL_UNSPECIFIED` defaults to `BEST_GUESS`, which uses historical and live data to estimate travel time. `PESSIMISTIC` calculates a longer travel time, likely exceeded only in severe conditions. Conversely, `OPTIMISTIC` calculates a shorter time, potentially beaten during favorable conditions. These options modify the estimated duration by factoring in historical traffic data and real-time conditions.\n"],null,["# TrafficModel\n\nSpecifies the assumptions to use when calculating time in traffic. This setting affects the value returned in the `duration` field in the response, which contains the predicted time in traffic based on historical averages.\n\n| Enums ||\n|-----------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `TRAFFIC_MODEL_UNSPECIFIED` | Unused. If specified, will default to `BEST_GUESS`. |\n| `BEST_GUESS` | Indicates that the returned `duration` should be the best estimate of travel time given what is known about both historical traffic conditions and live traffic. Live traffic becomes more important the closer the `departureTime` is to now. |\n| `PESSIMISTIC` | Indicates that the returned duration should be longer than the actual travel time on most days, though occasional days with particularly bad traffic conditions may exceed this value. |\n| `OPTIMISTIC` | Indicates that the returned duration should be shorter than the actual travel time on most days, though occasional days with particularly good traffic conditions may be faster than this value. |"]]
