PURPOSES : The commuting time is changing due to the changes in working style and hours. Thus, if the operating hours of parttime bus-only lanes, which are being implemented to increase on-time reliability, do not reflect the rush hour due to the changes in the commuting form, the effectiveness of part-time buses decreases. Therefore, in order to improve the punctuality of the bus, we would like to improve the operation time of part-time bus-only lanes by reflecting the rush hour according to the changes in commuting times. METHODS : Peak time was analyzed by surveying traffic volume, speed, and number of public transportation users in the curb bus lane operation section of the Daejeon Metropolitan City. The improvement effect was analyzed based on the passing speed ratio of general vehicles and buses when the implementation time of the dedicated vehicles was improved. RESULTS : The curb bus lane operation time in Daejeon was 40 min shorter than the average operating time of 2 h and 40 min in other major cities. Based on a 2 h analysis, the minimum speed occurrence time was 17:30 to 19:30, the maximum traffic occurrence time was 17:00 to 19:00, and the maximum number of passengers was during 17:00 to 19:00, which is different from the operation time of the afternoon bus-only lanes. CONCLUSIONS : By reflecting the analyzed peak hours, the operating hours of the afternoon lane are improved from 18:00~20:00 to 17:00~19:30. Prior to the implementation of the dedicated vehicles, the traffic speed of the buses and general vehicles is 1.8 (general/bus), It was analyzed that the traffic speed of general vehicles and buses after implementation was reduced to 1.5 (general/bus), thus improving the operation time in terms of the purpose and effectiveness of bus-only lanes.