 At the city limits, the road becomes Buchanon Avenue until it intersects with PR 362 (Keays Street).Past this intersection, PTH 5A/10A becomes 2nd Avenue NW and travels in a southeast direction until it meets PTH 20A (Main Street N.) in Dauphin's city centre and turns right.PTH 20A comes into the concurrency for about 20m before turning left on to 1st Avenue N.E.