The A5120 is an A-class road in Bedfordshire, linking the conjoined towns of Ampthill and Flitwick to the M1 motorway at Toddington. It connects with the M1 at junction 12 in close proximity to the Toddington services. On its route from Ampthill to Toddington, the A5120 serves Westoning and Harlington. Unusually for an A-road, it does not meet another A-road at any point between its start on the A507 and its end at the M1 J12.

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Quick Facts Route information, Length ...

A5120
Route information
Length	4.7 mi (7.6 km)
Major junctions
North end	Ampthill 52.0166°N 0.5013°W / 52.0166; -0.5013 (A5120 road (northern end))
Major intersections	A507 M1
South end	Toddington 51.5723°N 0.3104°W / 51.5723; -0.3104 (A5120 road (southern end))
Location
Country	United Kingdom
Constituent country	England
Primary destinations	Flitwick, Toddington
Road network
Roads in the United Kingdom Motorways A and B road zones

Close

The route previously ran to the old A5 Watling Street at Dunstable (now the A5183), however upon the opening of the A5 Dunstable Northern Bypass, the section between the M1 and the new junction A5 was downgraded to the B5120, about halving the length of the route.