State Route 220 marker

State Route 220

SR 220 highlighted in red
Route information
Maintained by Caltrans
Length6 mi[1] (9.7 km)
RestrictionsNo tractor-trailers or vehicles over 15 tons on the Howard Landing Ferry. Length restrictions may also apply.[2]
Major junctions
West end SR 84 near Rio Vista
East end SR 160 near Walnut Grove
Location
CountryUnited States
StateCalifornia
CountiesSolano, Sacramento
Highway system
← SR 219→ SR 221

State Route 220 (SR 220) is a state highway in the U.S. state of California, defined to run between State Route 84 and State Route 160 on Ryer Island in the Sacramento–San Joaquin River Delta. At the eastern end of Ryer Island, the road crosses Steamboat Slough on the Howard Landing Ferry, a cable ferry.

Route description

State Route 220 is defined under the California Streets and Highway Code to run east from State Route 84 on Ryer Island in Solano County to State Route 160 in Sacramento County.[3] The route includes the toll-free Howard Landing Ferry, where the cable-drawn vessel J-Mack takes vehicles across Steamboat Slough.[4] Both the Howard Landing Ferry and the Ryer Island Ferry along State Route 84 are the only state-run ferries, and there are no plans to replace them with bridges due to the low traffic numbers around Ryer Island,[5][6] The only road bridge connecting Ryer Island is on its north side, which results in longer commutes for residents if one or both ferries shutdown.[7]

Major intersections

The Howard Landing Ferry takes SR 220 traffic across Steamboat Slough.

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 to an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see California postmile § Official postmile definitions).[8] Segments that remain unconstructed or have been relinquished to local control may be omitted. The numbers reset at county lines; the start and end postmiles in each county are given in the county column.

CountyLocationPostmile
[8][1][9]		DestinationsNotes
Solano
SOL 0.00-3.20		​0.00 SR 84 – Rio Vista, SacramentoWest end of SR 220
Steamboat Slough3.20
0.00		 Howard Landing Ferry
Sacramento
SAC 0.00-3.10		Ryde3.10 SR 160 – Walnut Grove, IsletonEast end of SR 220
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. 1 2 California Department of Transportation (April 2008). "Log of Bridges on State Highways". Sacramento: California Department of Transportation.
  2. ↑ "Special Route Restrictions". Caltrans. Retrieved 2014-07-28.
  3. ↑ "Section 520, Article 3 of Chapter 2 of Division 1". California Streets and Highways Code. Sacramento: California Office of Legislative Counsel. Retrieved January 6, 2024.
  4. ↑ "Last public car ferries still ply Sacramento-San Joaquin Delta". San Francisco Chronicle. October 3, 2018. Retrieved January 7, 2024.
  5. ↑ "The Delta's floating highway". KXTV. February 10, 2023. Retrieved January 6, 2024.
  6. ↑ "California Delta commuters stymied by unreliable ferry service". KPIX. September 29, 2023. Retrieved January 7, 2024.
  7. ↑ "Tiny delta ferries to get much-needed repairs". SFGate.com. October 3, 2018. Retrieved January 7, 2024.
  8. 1 2 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.
  9. ↑ California Department of Transportation, All Traffic Volumes on CSHS, 2007
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