Former State Route 274
Click here for a key to the symbols used. An explanation of acronyms may be found at the bottom of the page.
No current routing. Field reports indicate that the old routing is still
The old routing was relinquished in June 2001.
Post 1964 Signage History
In 1965, Chapter 2068 defined Route 274 as “Route 5 near
to Route 103.”
In 1969, Chapter 294 changed "Route 103" to "Route 15".
The routing was deleted in 1999 by AB 1650, Ch 724, 10/10/99. It still
up in the CalTrans photologs in 2001, and a few signs remain. It was once
signed as BR US 101.
As signs get replaced on I-5, references to Route 274 are disappearing;
however, Route 274 is still well marked upon Balboa.
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Overall statistics for Route 274:
- Total Length (1995): 6 miles
- Average Daily Traffic (1992): 23,800 to 73,000
- Mileage Classification: Rural: 0; Sm. Urban: 0; Urbanized: 6.
- Previous Federal Aid Mileage: FAU: 6 mi.
- Functional Classification: Prin. Arterial: 6 mi.
- Counties Traversed: San Diego.
Pre-1964 Legislative Route
In 1959, Chapter 1062 defined LRN 274 as “[LRN 77] near Chino to
near Upland”. This is the part of present-day proposed Route 142
from Route 71
near Chino to I-210 (nee Route 30) near Upland.
Acronyms and Explanations:
- "LRN" refers to the Pre-1964 Legislative Route Number.
"US" refers to a US Shield signed route.
"I" refers to an Eisenhower Interstate signed route.
"Route" usually indicates a state shield signed route, but said route may be signed as US or I.
- Previous Federal Aid (pre-1992) categories:
Federal Aid Interstate (FAI); Federal Aid Primary (FAP);
Federal Aid Urban (FAU); and Federal Aid Secondary (FAS).
Current Functional Classifications (used for aid purposes):
Principal Arterial (PA); Minor Arterial (MA);
Collector (Col); Rural Minor Collector/Local Road (RMC/LR). Note that ISTEA repealed the previous Federal-Aid System, effective in 1992, and established the functional classification system for all public roads.
- Other frequently used terms: California Transportation Commission (Commission or CTC), California Department of Transportation (Department or Caltrans), Regional Improvement Program (RIP), Interregional Improvement Program (IIP), State Transportation Improvement Program (STIP), State Highway Operation and Protection Program (SHOPP), Traffic Congestion Relief Program (TCRP), Clean Air and Transportation Improvement Act of 1990 (Proposition 116), High Speed Passenger Train Bond Program (Proposition 1A), Highway Safety, Traffic Reduction, Air Quality, and Port Security Bond Act of 2006 (Proposition 1B), Corridor Mobility Improvement Account (CMIA), State Route 99 Bond Program (RTE or SR 99), Local Bridge Seismic Retrofit Account (LBSRA), Trade Corridors Improvement Fund (TCIF), Highway-Railroad Crossing Safety Account (HRCSA), State-Local Partnership Program (SLPP), Environmental Phase (PA&ED), Design Phase (PS&E), Right of Way (R/W), Fiscal Year (FY), Active Transportation Program (ATP), Trade Corridor Enhancement Program (TCEP), Local Partnership Program (LPP), Local Streets and Roads Program (LSRP), Solutions for Congested Corridors Program (SCCP).
© 1996-2020 Daniel P. Faigin.
Maintained by: Daniel P. Faigin