However , they also have significant differences , such as fully longitudinal seating similar to that used on LOCATION@1 Underground rolling stock to give more standing room , which is necessary for the high passenger volume metro-style services expected to be run on LOCATION@1 Overground .

Primarily , the Class NUMBER@1 will feature fully longitudinal seating similar to that used on LOCATION@1 Underground rolling stock , which is necessary for the high passenger volume services expected to be run on LOCATION@1 Overground .
