Original sentence: A railroad bridge across the Arkansas River, leading to North Little Rock is in the process of being converted into a pedestrian bridge, although the project has been delayed several times.The public service school is housed in a former passenger train terminal
Edited sentence: The public service school is housed in a former passenger train terminal, and a railroad bridge across the Arkansas River, leading to North Little Rock, was promised to be converted into a pedestrian bridge but as of 6/24/07 ten years since the promise was made, work had not commenced