The B6449 is a semi-rural road in south Yorkshire. Except for the eastern end, which follows the original route of the A628, it was originally unclassified but seems to have gained its present number around 1930.
The road starts on the A629 at Four Lane End and heads vaguely eastwards across the fields. It turns sharply left in Berry Moor and soon reaches the village of Silkstone Common. The road runs alongside the Penistone Line, passing the station, but does not cross the line; the two ways soon part.
We bear right before re-entering open country and head east then northeast to reach Dodworth. We climb Dodworth Green Road to Budgens and a crossroads with the B6099 (we have priority), then descend Barnsley Road to reach a T-junction. Originally the B6449 ended here on the A628 but that road now bypasses the village so we TOTSO right, remaining on Barnsley Road. At a mini-roundabout the old A628 continued ahead but the route has now been severed by junction 37 of the M1 and so we turn left to end at a roundabout on the A-road just west of the motorway junction.