Maintenance Work Will Begin on N-89, Near Stamford Dec 30, 2021 Weather permitting, a crack seal project will begin January 3 on N-89, according to the Nebraska Department of Transportation. Crack sealing is a process of cleaning and filling open joints and cracks in the surface with sealant to prevent entry of moisture and debris.State maintenance forces will be performing a ...PLEASE LOG IN FOR PREMIUM CONTENT. Our website requires visitors to log in to view the best local news. Not yet a subscriber? Subscribe today!