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Post-1964 Legistlative Route Graphic

Former State Route 248

Click here for a key to the symbols used. An explanation of acronyms may be found at the bottom of the page.


Routing Routing

No current routing.

Post 1964 Signage History Post 1964 Signage History

Former Rte 248Post-1964 Legistlative Route Graphic In 1963, Route 248 was defined as “Route 134 near Pasadena to Route 210 near Monrovia.”

In 1965, Chapter 1372 added a condition: “This route will cease to be a state highway when Interstate Route 210 freeway is completed and the commission relinquishes that portion of present Route 210 in the County of Los Angeles and the Cities of Pasadena, Arcadia, and Monrovia.”

Signage of US 66 would be truncated from Pasadena to US 95 when I-40 was completed through the Bristol Mountains in 1972.  At that point, portions of Route 248 became signed as (California) Route 66.
(Source: Gribblenation Blog (Tom Fearer), "Former California State Route 248 (Old US Routes 66-99 from Pasadena to Monrovia)", 10/2022)

In 1986, Chapter 928 truncated the route: “Route 134 near the east limit of the City of Pasadena to Route 210 near Monrovia.” This left Route 248 as starting just W of Rosemead Blvd, Route 164. Field signage at this time is unknown.

In 1992, the remainder of Route 248 was deleted by AB 3090, Chapter 1243.

Pre 1964 Signage History Pre 1964 Signage History

Post-1964 Route 248 corresponded to LRN 161, defined in 1933. It corresponded to a portion of the third segment of LRN 161, [LRN 4] near Glendale to [LRN 9] near Monrovia. LRN 4 was US 99 at San Fernando Road; LRN 9 was sign Route 118 in Pasadena at Lincoln, which turned into US 66. Portions of LRN 161 became Route 134.

The Route 248 portion of LRN 161 originated at sign Route 134 and terminated at I-210 following the Colorado Street Bridge, Colorado Boulevard, Colorado Place, and Huntington Boulevard.  Much of Route 248 was signed as US 66 until 1972 and was gradually relinquished between 1986-1992.
(Source: Gribblenation Blog (Tom Fearer), "Former California State Route 248 (Old US Routes 66-99 from Pasadena to Monrovia)", 10/2022)

Portions of future Route 248 were also part of LRN 9 (specifically some former US 66 routings along Colorado Blvd, until the freeway portions were constructed). This was distinct from the routing of the the former National Old Trails Road (NOTR) through Pasadena. From San Bernardino beginning at Mount Vernon Avenue/4th Street, the NOTR followed existing LRN 9 westbound to Pasadena.  Upon reaching Pasadena the NOTR branched away from LRN 9.  The NOTR westbound jogged south on Santa Anita Avenue to Colorado Boulevard in Pasadena and departed towards Los Angeles via Fair Oaks Avenue.  The NOTR followed Fair Oaks Avenue, Huntington Drive, and Broadway into downtown Los Angeles where it terminated at the intersection of Broadway and 7th Street.
(Source: Gribblenation Blog (Tom Fearer), "Former California State Route 248 (Old US Routes 66-99 from Pasadena to Monrovia)", 10/2022)

In 1926, US 99 and US 66 were created (the latter originally as US 60). US 99 was originally routed along US 66 multiplexed to San Bernardino, but both were rerouted as they officially went through Los Angeles. There are lots of discussions about the routing of US 66 -- see the Route 66 page for the summary of those discussions, as most do not impact Route 248.

In an exchange of letters by the Pasadena Chamber of Commerce and the AASHO Executive Secretary between January-March 1932, the former expressed a desire to move US 99/US 66 off of LRN 9/Foothill Boulevard via the East Colorado Street Extension to Arcadia.  The Pasadena Chamber of Commerce noted the jog in US 99/US 66 was indirect and did not serve through traffic well.  The Pasadena Chamber of Commerce stated they were instructed to petition the AASHO to move US 99/US 66 onto the East Colorado Street Extension by the California State Highway Engineer.  The AASHO Executive Secretary deferred making a decision to reroute US 99/US 66 onto the East Colorado Street Extension to the California State Highway Engineer given it was an intrastate matter.  In 1933, the State Legislature removed restrictions that prevented state funds from being used to maintain urban roadways, leading to the creation of a number of urban routes... including LRN 161 which added the East Colorado Street Extension and Colorado Street Bridges to the State Highway System.  Also added was LRN 165 that was routed from San Pedro to La Canada via Figueroa Street.  The addition of LRN 165 made the three completed Figueroa Street Tunnels part of the State Highway system and led to the construction of the fourth southernmost tunnel.  During 1934 US 99 was realigned off a multiplex of US 66 from Pasadena-San Bernardino (LRN 9 and LRN 161) to a new alignment that took it to Redlands via downtown Los Angeles, Pomona, and Colton on LRN 26.
(Source: Gribblenation Blog (Tom Fearer), "Former California State Route 248 (Old US Routes 66-99 from Pasadena to Monrovia)", 10/2022)

In 1940, US 66 was rerouted onto the new Arroyo Seco Parkway, and the older route on Figueroa Street was co-signed with Route 11 as US 66 Alternate.  This made US 66A the designation across the Colorado Street Bridge west of downtown Pasadena. US 66 was truncated to Needles in 1963, removing the official US 66 designation from Route 11 (although signs likely remained), and getting rid of US 66A. The 1964 renumbering created Route 248 to sign the underlying state highway across Colorado, and US 66 remained signed to Monrovia although the route was Route 248.
(Source: Gribblenation Blog (Tom Fearer), "Former California State Route 248 (Old US Routes 66-99 from Pasadena to Monrovia)", 10/2022)

Status Status

The Caltrans bridge log indicated that this route was signed in its entirety as Route 66.

Historical Route Historical Route

Former Rout 248 is signed as part of "Historic Highway Route 66", designated by Assembly Concurrent Resolution 6, Chapter 52, in 1991.

National Trails National Trails

Arrowhead Trail Sign Former route 248 (Colorado Blvd) was part of the "ArrowheadTrail (Ocean to Ocean Trail)". It was named by Resolution Chapter 369 in 1925.

National Old Trails Road Sign Former route 248 (Colorado Blvd) was part of the "National Old Trails Road".

National Park to Park Highway Sign Pikes Peak Ocean to Ocean Highway Sign Former route 248 (Colorado Blvd) appears to have been part of the "National Park to Park Highway", and the "Pikes Peak Ocean to Ocean Highway".

Other WWW Links Other WWW Links

Pre-1964 Legislative Route Pre-1964 Legislative Route

In 1959, Chapter 1062 defined LRN 248 as “[LRN 238] near Sacramento to [LRN 247] south of [LRN 54]”. This route ran from present-day I-5 near Sacramento to Elk Grove Florin Road south of Route 16. This is present-day Route 148 between I-5 and Route 143.


Acronyms and Explanations:


Back Arrow Route 247 Forward Arrow Route 249

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Maintained by: Daniel P. Faigin <webmaster@cahighways.org>.