back in class, including west contra costa, venetia, livermore, vallejo city, cabrillo, alameda, and eichel honest union. actually getting to school could be a challenge for many of the older kids in the san francisco school district because there's a shortage of muni buses but that means kids who use public transportation to get to class may get there late on the very first day. alyssa harrington continues our coverage on westalyssa harrington continues our coverage on w. portal avenue. tell us how the district is handling this . >> reporter: as you mentioned, there is a shortage of muni bus drivers. there is also this large project that is in the final stages. this is the twin . the -- twin peaks improvement project. this area is known as the heart of the city's railway system and it's impacting service for thsa the district posted a notice on its website alerting parents to potential muni delays. the post says an operator shortage has resulted in muni delays across san francisco which muni is working on addressing. students and staff who ride muni may experience delays getting to and fro