- A18 between A630 and A638, Doncaster (Grid ref SE575023)
- A18 between A638 and A638, Doncaster (Grid ref SE580025)
- A18 between A638 and A630, Doncaster (Grid ref SE600034)
- A18 between A630 and A630, Doncaster (Grid ref SE610059)
- A18 between A630 and Eden Field Rd, Doncaster (Grid ref SE620067)
- A18 between Eden Field Rd, Edenthorpe and Westminster Drive, Dunsville, Doncaster (Grid ref SE635072)
- A18 between Westminster Drive, Dunsville and Station Rd, Doncaster (Grid ref SE650080)
- A18 between Station Rd, Hatfield and A1146, Doncaster (Grid ref SE667095)
- A18 between A1146 and A614, Doncaster (Grid ref SE680094)
- A18 between A614 and M180, Doncaster (Grid ref SE686100)
- A18 between M180 southern slip and M180/A614 roundabout, Doncaster (Grid ref SE687110)
- A18 between M180 northern slip/A614 roundabout and Doncaster boundary, Doncaster (Grid ref SE700112)
- A18 between North Lincolnshire boundary and A161, North Lincolnshire (Grid ref SE754100)
- A18 between A161 and M181, North Lincolnshire (Grid ref SE800100)
- A18 between M181 and Hilton Avenue, North Lincolnshire (Grid ref SE865110)
- A18 between Hilton Avenue and Scotter Rd roundabout, North Lincolnshire (Grid ref SE870111)
- A18 between Scotter Rd roundabout and A159, North Lincolnshire (Grid ref SE885100)
- A18 between A159 and B1501, North Lincolnshire (Grid ref SE900095)
- A18 between B1501 and A1029, North Lincolnshire (Grid ref SE910086)
- A18 between A1029 and B1398, North Lincolnshire (Grid ref SE920085)
- A18 between B1398 and A18 spur to M180, North Lincolnshire (Grid ref SE940073)
- A18 between M180 and A18 main route, North Lincolnshire (Grid ref SE956064)
- A18 between A18 spur to M180 and B1207, North Lincolnshire (Grid ref SE960066)
- A18 between B1207 and B1206, North Lincolnshire (Grid ref SE980069)
- A18 between B1206 and A1084, North Lincolnshire (Grid ref SE990069)
- A18 between A1084 and B1206, North Lincolnshire (Grid ref TA009080)
- A18 between B1206 and A18 spur, North Lincolnshire (Grid ref TA039100)
- A18 between A18 main route and M180, North Lincolnshire (Grid ref TA051108)
- A18 between A18 spur and B1211, North Lincolnshire (Grid ref TA080109)
- A18 between B1211 and B1210, North Lincolnshire (Grid ref TA096110)
- A18 between B1210 and North Lincolnshire boundary, North Lincolnshire (Grid ref TA112107)
- A18 between Lincolnshire boundary and A1173, Lincolnshire (Grid ref TA119100)
- A18 between A1173 and Lincolnshire boundary, Lincolnshire (Grid ref TA189080)
- A18 between North East Lincolnshire boundary and A46, North East Lincolnshire (Grid ref TA200069)
- A18 between A46 and North East Lincolnshire boundary, North East Lincolnshire (Grid ref TA232020)
- A18 between LA boundary and A16, Lincolnshire (Grid ref TF290950)