| Sheffield|| M18 Junction 4|
The A630 is an A road in the United Kingdom. It runs between Sheffield city centre (53.3762°N 1.3998°W / 53.3762; -1.3998 (A630 road (southwestern end))) and junction 4 of the M18 motorway (53.5400°N 1.0229°W / 53.5400; -1.0229 (A630 road (northeastern end))), passing through Rotherham and Doncaster on the way. The road is entirely in South Yorkshire.
A630 road Wikipedia
The road starts at the A57 just outside Sheffield City Centre which forms part of the Sheffield Parkway then runs to the M1 at Junction 33 beyond the roundabouts it heads west to Rotherham and heads north towards Conisborough & Doncaster passing Conisborough Castle through to Doncaster now it meets the A1(M) at Junction 36 from the A1(M) it heads east to Doncaster from Doncaster passing Armthorpe it heads to the M18 at Junction 4 where the road terminates.
The A630 first appears at M1 at Junction 33 at Catcliffe, then reappears at A1(M) at Junction 36 at Warmsworth, then reappers at M18 at Junction 4 at Armthorpe where the road terminates.