&sq=&lang=&file=File:Question_book-new.svg){kind=small} | This article needs additional citations for verification. (January 2017) |
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| Route information | ||||
| Length | 58.2 mi[1] (93.7 km) | |||
| Major junctions | ||||
| From |  A630 in Doncaster53°30′53″N 1°08′19″W / 53.5147°N 1.1386°W | |||
 A638 in Doncaster
 A46 in Laceby | ||||
| To |  A16 near Ludborough53°26′02″N 0°02′28″W / 53.4338°N 0.0412°W | |||
| Location | ||||
| Country | United Kingdom | |||
| Constituent country | England | |||
| Counties | South Yorkshire, Lincolnshire | |||
| Primary destinations | Scunthorpe | |||
| Road network | ||||
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The A18 is a road in England that links Doncaster in South Yorkshire with Ludborough in Lincolnshire, via Scunthorpe and Grimsby. Much of its route has been superseded by the M180 motorway.