Bus service is a critical aspect of Slugging - Slugs have to have a back up system just in case they can't get a ride or don't want to stand outside in bad weather. As with most mass transit your tax dollars are helping to pay for these services. Bus services provide a cost effective means to get to and from work.
Buses are slower than automobiles, tend to break down more often, and can be crowded.
Some folks swear by them and others hate them. Website contains information on schedules, rates, and stops. Route 18 covers most, if not all the Slug Lines in Springfield. Caution should be exercised at bus stops in the morning. But most bus stops are well lit.