The A16 road is a principal road of Lincolnshire in the East Midlands region of England, connecting the port of Grimsby and Peterborough, where it meets the A1175, A47 & A1139 then on to the A1 and the A605; the latter, in turn, giving a through route to Northampton and the west, and south west of England. Its length is . The road was "de-trunked", with responsibility largely returned to Lincolnshire County Council from the Highways Agency in 2002. Settlements on route From north to south its route is: Grimsby Utterby Louth (now bypassed) Burwell Walmsgate Dalby Partney (now bypassed) Spilsby East Keal Keal Cotes Stickford (now bypassed) Stickney Sibsey Hilldyke Boston Wyberton (now bypassed) Kirton (now bypassed) Surfleet (now bypassed) Pinchbeck (now bypassed) Spalding (now bypassed) Crowland (bypassed) Peterborough The road is a Primary Route for its entire length. Most of the A16 is single carriageway. History Ludborough Bypass opening The £1.2 million Ludborough Bypass opened in November 1992. Fotherby Bypass opening The Fotherby Bypass opened in 2004. Louth Bypass opening £6.6 million Louth Bypass opened in August 1991. Partney Bypass opening The Partney Bypass opened in August 2005. Stickford Bypass opening The £1 million Stickford Bypass opened in October 1992. Boston Inner Relief Road opening The £1.4 million Boston Inner Relief Road opened in early 1978. Boston-Algarkirk Diversion opening The £11.5 million Boston-Algarkirk Diversion opened in October 1991. Spalding Bypass opening The £23 million Spalding-Sutterton Improvement (the Spalding Bypass) opened in August 1995. Junction list Future Boston Distributor Road There are demands for Boston to be bypassed. Therefore, Lincolnshire County Council have 'safeguarded' the corridor for the Boston Distributor Road. Incidents There are multiple crashes on the A16, especially near Louth. Spalding-Peterborough route change Old route of the A16 The route of the A16 changed following the completion of the new Spalding-Peterborough link road. The section between Spalding to the south of Crowland only, opened in August 2010; the remainder was completed in October 2011. The new route has taken the number A16, effectively linking the route with Peterborough, with the current road from Spalding to Stamford becoming the A1175. A1073 road This new section replaced the A1073 road, a road that ran between the former A16 at south of Spalding in Lincolnshire and the A47 between Eye and Eye Green at near Peterborough. The A1073 route had become increasingly dangerous over the years because traffic usage had