Statistics:
- Length:
- 208 km
- Termini:
- Northern: Arnhem Hwy (SR36), Jabiru
- Southern: Stuart Hwy (NH1), Pine Creek
- Suburbs, Towns & Localities Along Route:
- Pine Creek, Mary River Roadhouse, Cooinda and Jabiru
Route Numbering:
- Current: B21
- Former: 21
General Information:
The route formed part of a series of roads known as Natures Way in the Northern Territory. It passed through the Kakadu National Park and connected the areas of Pine Creek and Jabiru.
History:
- 1995: Highway fully sealed. 1
- April 2008: Advance level crossing warning system installed and road speed reduced to 80 km/h at the crossing in Pine Creek. 2
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Advance Directional Sign:
AD sign at Cooinda approaching Jim Jim Falls Road. September 2008.
Image © Kate Pilling
Jim Jim Falls Road:
ID sign looking northeast at Jim Jim Falls Road intersection in Cooinda, September 2008.
Image © Kate Pilling
Intersection Directional Sign:
ID sign assembly facing Jim Jim Falls Road at Cooinda. September 2008.
Image © Kate Pilling
Distance Sign:
RD sign located after the Jim Jim Falls Road intersection, heading northeast, September 2008.
Image © Kate Pilling
Eastern Terminus:
ID sign facing Kakadu Hwy traffic at the northern terminus of SR21 at Jabiru, September 2008.
Image © Kate Pilling
Reassurance Directional Sign:
Distance sign at Jabiru, 2003.
Image © Jamie Scuglia
Advance Directional Sign:
AD sign at Kakadu, approaching Cooinda Rd, 2003.
Image © Jamie Scuglia
Reassurance Directional Sign:
Distance sign with incorrect NH21 shield near Gimbat Access Rd, Kakadu, 2003.
Image © Jamie Scuglia
1 Australian Government, Natural Resources, Environment, The Arts and Sport.
2 Australian Government, Department of Infrastructure & Transport.