after a few blocks , the name of the street changes to lyall road , and the buildings separate and shrink into one-story wooden structures fronted with signs advertising insurance offices and travel agencies ; after that , the street becomes a highway that glides eastward past a 7-eleven , the reinhold t. grauerhammer vfw hall , a big farm-implement dealership known locally as goltz 's , and into a landscape of flat , unbroken fields .