California State Route 116

State Route 116 marker

State Route 116

Map of Sonoma County in western California with SR 116 highlighted in red
Route information
Defined by Streets and Highways Code § 416
Maintained by Caltrans
Length: 46.500 mi[1] (74.834 km)
SR 116 is broken into pieces, and the length does not reflect the US 101 overlap that would be required to make the route continuous.
Major junctions
West end: SR 1 near Jenner
 
East end: SR 121 near Sonoma
Location
Counties: Sonoma
Highway system
← SR 115SR 118 →

State Route 116 (SR 116) is a state highway in the U.S. state of California in Sonoma County. The route runs from State Route 1 on the Pacific coast near Jenner to State Route 121 south of Sonoma.

Route description

This route is part of the California Freeway and Expressway System[2] and is eligible for the State Scenic Highway System.[3] However, it is only a scenic highway as designated by Caltrans from SR 1 to the Sebastopol city limit.[4]

State Route 116 proceeds east along the north bank of the Russian River, from State Route 1 to Guerneville, passing through Duncans Mills, Monte Rio, and Guernewood Park.

At the intersection of the Guerneville Bridge, the route turns southeast and passes through Forestville. The road itself continues eastward, but beyond the bridge the road is called River Road until it reaches Hwy 101. The section connecting Guerneville and Forestville is known as Pocket Canyon Rd., named for the canyon it passes through. For the 4 blocks it passes through Forestville it is called Front Street. Front St. is an east-west street, but it veers south again towards Graton and Sebastopol. Here it is called Gravenstein Hwy North until Covert St. in Sebastopol. There it undergoes another name change: Healdsburg Avenue. But it doesn't last long. Heading south (right turn), it becomes North Main Street for two blocks where it intersects Bodega Highway State Route 12), whereupon it becomes South Main Street. When the one-way street becomes a two-way street again, it becomes Gravenstein Hwy South all the way to Cotati where it becomes Hwy 101 South U.S. Route 101 until it runs along Lakeville Highway to Stage Gulch Rd, where it makes a left turn east toward Sonoma, crossing the Sonoma Mountains directly north of Tolay Lake and descending into the Sonoma Valley to its terminus at State Route 121.

Southbound State Route 116 in downtown Sebastopol.

Major intersections

Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see the list of postmile definitions).[1] Segments that remain unconstructed or have been relinquished to local control may be omitted. The entire route is in Sonoma County.

LocationPostmile
[1][5][6]		Exit
[7]		DestinationsNotes
​0.00 SR 1 – Bodega Bay, Jenner, Fort BraggWest end of SR 116
​21.80Guerneville Road – Santa Rosa
SebastopolR26.73–
R26.82		 SR 12 east (Sebastopol Avenue, Bodega Avenue) – Santa Rosa
Cotati35.03
12.69[N 1]		 US 101 north (Redwood Highway) / Gravenstein Highway – EurekaInterchange; west end of US 101 overlap
 West end of freeway on US 101
12.00[N 1]481AWest Sierra Avenue – Cotati
​10.67[N 1]479Railroad Avenue
Petaluma5.76[N 1]476Old Redwood Highway, Petaluma Boulevard North (US 101 Bus. south) – Penngrove
4.76[N 1]474East Washington Street – Central Petaluma
 East end of freeway on US 101
3.58[N 1]
35.04		 US 101 south (Redwood Highway) / Lakeville Street – San FranciscoInterchange; east end of US 101 overlap
​39.27Lakeville Road – Lakeville, Vallejo
​44.84Arnold Drive – Sonoma
​46.75 SR 121 / Bonneau Road – San Francisco, NapaEast end of SR 116
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
  1. 1 2 3 4 5 6 Indicates that the postmile represents the distance along US 101 rather than SR 116.

See also

References

  1. 1 2 3 California Department of Transportation. "State Truck Route List". Sacramento: California Department of Transportation. Archived from the original (XLS file) on June 30, 2015. Retrieved June 30, 2015.
  2. ↑ CA Codes (shc:250-257) Archived 2012-10-14 at the Wayback Machine.
  3. ↑ CA Codes (shc:260-284) Archived 2010-11-03 at the Wayback Machine.
  4. ↑ "Officially Designated State Scenic Highways and Historic Parkways". California Department of Transportation. December 7, 2007. Retrieved June 23, 2011.
  5. ↑ California Department of Transportation, Log of Bridges on State Highways, July 2007
  6. ↑ California Department of Transportation, All Traffic Volumes on CSHS, 2005 and 2006
  7. ↑ California Department of Transportation, California Numbered Exit Uniform System, U.S. Route 101 Freeway Interchanges, Retrieved on 2009-02-07.

Route map: Google

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