![]() We also found predictions were less accurate in the evening, especially for popular lines such as the 18 and 51B buses. ![]() “It’s a crapshoot after 10 a.m.,” he said. Michael Medford, a campus graduate student who said the service doesn’t give accurate times for the 52 bus, said he thought the unpredictability might be because of construction starting late in the morning. Arrivals for the 7 bus to El Cerrito del Norte BART Station were tightly clustered, but the 52 bus to UC Village, while rarely more than 5 minutes late, saw more varied delay times and often came before it was predicted to arrive. The 51B to Berkeley Amtrak arrived more than five minutes later than predicted only 5 percent of the time.Įrika Kodera, a campus senior who takes the 51B bus “at least twice a day” because she has class across campus, said the predictions are “pretty accurate” and have gotten better since she started using the NextBus app more than a year ago. Other buses, such as the 7 bus to Berkeley BART Station, arrived as predicted more often. The 18 bus to Lake Merritt BART Station was relatively unpredictable as well. In the time period we monitored, almost one-third of the arrivals at any stop along the F bus to San Francisco were later than predicted by more than five minutes. Let’s say you’re at the Bancroft Way and Telegraph Avenue bus stop. Since most stops don’t have a published schedule, we measured the gap between when the NextBus service says a bus is 20 minutes away from a stop and when it actually gets there according to the service. Here, the 51B bus to Berkeley Amtrak is predicted to arrive at the stop on Bancroft Way and Telegraph Avenue in two minutes. We wanted to measure how often those predictions - which AC Transit recommends on its website as a way for passengers to “manage (their) time more efficiently” - are accurate. NextBus’ predictions are available on AC Transit’s website, the NextBus app and the Transit app. AC Transit collects GPS data from its buses and sends the information to NextBus, which predicts when the next bus will arrive at each stop by taking traffic patterns into account. Instead of publishing a schedule for each stop on each bus route, AC Transit recommends passengers rely on real-time predictions provided by NextBus, a company that partners with transit agencies to provide vehicle departure predictions. “I’d say 20 percent of the time, (the prediction) gets pushed back,” Hansalia said. He checks the app five minutes later and sees that the predicted arrival time has increased to 12 minutes. Most of the time, the prediction is accurate. He knows he has a few minutes before he has to leave his apartment. Today, the app predicts the bus will come in 10 minutes. In the morning, he checks the Transit app on his phone to see when the next bus will arrive. Note: El Portal Drive / I-80 Ramps can still be accessed from El Portal west of the temporary closure.ĭriving detour routes (click to enlarge):ĭetour from I-80 to Locations East of Closureĭetour to I-80 for Traffic East of ClosureĪlso beginning May 1, 2012, there will be a temporary detour route for AC Transit bus lines “L” and “74.”ĪC Transit Detour Plan for El Portal/Via Verdi ConstructionĪC Transit Pedestrian Access Plan for El Portal/Via Verdi Constructionĭuring the course of the Via Verdi Repair Project, you can receive project updates via Twitter ( or Facebook ( City of Richmond).Sahil Hansalia, a campus junior, takes the 51B bus every day to get to class. Changeable Message Boards have been placed in the I-80 corridor to provide advance notice of the temporary road closure to drivers. Starting on and lasting up to eight months, El Portal Drive will be temporarily closed to vehicular and pedestrian traffic between the Church of Christ parking lot and Barranca Street. The City of Richmond’s Via Verdi Repair Project is nearing commencement.
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