Colorado State Highway 52

State Highway 52 (SH 52) is a 111 mi (178.6 km)^[a] long state highway in northeastern Colorado. The western terminus is at SH 119 near Niwot, and the eastern terminus is at SH 14 in Raymer.

State Highway 52
Map of northern Colorado with SH 52 highlighted in red
Route information
Maintained by CDOT
Length	111.009 mi[1] (178.652 km)
Major junctions
West end	SH 119 near Niwot
Major intersections	US 287 in rural Boulder County I-25 near Dacono US 85 in Fort Lupton I-76 / US 6 in Hudson US 34 in Wiggins
East end	SH 14 in Raymer
Location
Country	United States
State	Colorado
Counties	Boulder, Weld, Morgan
Highway system
Colorado State Highway System Interstate US State Scenic
← US 50 → SH 53

Snowcapped peaks of the Continental divide as seen from SH 52

Route description

SH 52 looking west towards US 85 in Fort Lupton

SH 52 begins near Niwot, running east from its western terminus past US 287 to a diamond interchange with I-25, near the towns of Dacono, Frederick, and Firestone. The highway continues east through interchanges with US 85 in Fort Lupton and I-76 in Hudson. Farther east, the route bends north about 12 miles (19 km) south of Wiggins where it begins its concurrency with I-76, US 6, and US 34 eastward to Fort Morgan where it again turns north and traverses to Raymer, where it ends at SH 14.

Major intersections

County	Location	mi[2]	km	Destinations	Notes
Boulder	​	0	0.0	SH 119 – Longmont, Boulder	Western terminus
	​	4.5	7.2	US 287 – Fort Collins, Denver
Weld	​	11	18	I-25 / US 87 – Fort Collins, Denver	Interchange; I-25 exit 235
	Fort Lupton	20	32	US 85 – Greeley, Brighton	Interchange
	Hudson	29	47	I-76 / US 6 – Denver, Fort Morgan	Interchange, I-76 exit 31
	​	41.5	66.8	SH 79 south – Bennett	Northern terminus of SH 79
Morgan	​	72.5	116.7	I-76 / US 34 / US 6 east / SH 39 north – Fort Morgan	West end of I-76/US 34/US 6 overlap; I-76 exit 66; southern terminus of SH 39
	​	82	132	I-76 / US 6 east – Sterling	East end of I-76/US 6 overlap; West end of I-76 Bus. overlap; Interchange; I-76 exit 75
	Fort Morgan	86	138	US 34 east (Platte Avenue) – Akron	East end of US 34/I-76 Bus. overlap
		86.5	139.2	SH 144 west (Riverview Avenue) – Log Lane Village	Eastern terminus of SH 144
		87	140	I-76 / US 6 – Denver, Sterling	Interchange; I-76 exit 80
Weld	Raymer	111	179	SH 14 – Ault, Sterling	Eastern terminus
1.000 mi = 1.609 km; 1.000 km = 0.621 mi       Concurrency terminus