North of Biddle Street, 3rd merges with Broadway and continues on to the city limits.
To the north, Broadway intersects with 3rd Street and runs with it as far as Riverview Blvd where it then becomes Bellefontaine Road.
To the south, 18th Street passes over the Union MetroLink Station and under I-64 before becoming Truman Parkway at Chouteau Avenue.
As part of Paul McKee's NorthSide project, the broken section of 22nd street near the I-64 interchange is to be restored and rebuilt.
25th Street appears to the north of downtown where Jefferson Avenue curves and creates space for another road.
It splits the Tiffany and Botanical Heights neighborhoods, running south through Shaw and stopping at Tower Grove Park.
University City contains the only two numbered streets in the St. Louis area to not have a 'Street' suffix: 66th Avenue and 82nd Boulevard.