Commonsense Approaches for Improving Transit Bus Speeds (2014) / Chapter Skim
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Pages 8-13
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9 • Enforce restrictions on use of bus lanes by other vehicles, • Balance the number of stops with passenger convenience and demand, • Consider supplementing local service with limited-stop service, and • Implement skip-stop operation. With a running speed of 50 mph (80 kph)
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10 as average signal delay per intersection. Results in the morning peak period showed a 12.1% reduction in bus travel times (from 33 to 29 min)
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11 practicality of this approach. Results show how stop consolidation plans can be adjusted to maximize the societal benefit.
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12 SIGNAL PRIORITY AND MODEL-BASED STUDIES Many of the reports and articles in this literature review address traffic model results. These are clearly important as the industry continues to refine and expand its modeling capabilities but perhaps have less relevance to this study owing to their theoretical nature.
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13 TSP strategies were considered: green extension, red truncation, phase skip, and phase insertion. Queue jump lanes without TSP were ineffective in reducing bus delay.
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14 SUMMARY The literature review reveals several local analyses of the impacts of actions to improve bus speeds but few comparisons of which actions are most effective. Stop spacing and traffic engineering actions, such as TSP and reserved lanes, have been shown to work, although some actions such as TSP produce localized results that may not be apparent at the route level.
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