CACrown ArchivesThe cinema collection
EN/FR
Search
Menu
Research dossier · General Reference

Interstate 635 (Texas)

highway in Texas

Cross-disciplinary reference desk with index cards, atlas, dictionary and catalogue
General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 20, 2026
Entity authorityQ2453628 ↗
Source-derived summary

Interstate 635 (I-635) is a 37-mile-long (60 km) partial loop around Dallas, Texas, in the United States between I-20 in Balch Springs and SH 121 at the north entrance of the DFW Airport in Grapevine. It intersects I-35E at exits 27B and 27C but does not connect with I-35W. I-635 and a part of I-20 are collectively designated as the Lyndon B. Johnson Freeway; known locally as the LBJ Freeway, or simply LBJ. The roadway is named after Lyndon B. Johnson, the former U.S. senator from Texas and the 37th vice-president and 36th president of the U.S. Where I-635 ends at I-20, I-20 continues the LBJ Freeway designation heading west. Since the portion of I-20 between Spur 408 to I-635 retains the same names as I-635, the two highways are considered three-quarters of the beltway around Dallas. Together with Spur 408, a portion of Loop 12, and a portion of I-35E, I-635 and I-20 complete the beltway.

Route description

I-635 begins at an intersection with I-20 in southeast Dallas and travels northward through Balch Springs into Mesquite, where it intersects US 80 at exits 6A and 6B and I-30 at exits 8A and 8B. The route then turns to the northwest, continuing near the border between Dallas and Garland. Six miles (9.7 km) later, it takes a general westward turn as it intersects US 75 at exits 19A and 19B at the High Five Interchange. The section from I-35E to US 75 (Central Expressway) is one of the busiest stretches of road in the Dallas–Fort Worth metroplex, at virtually all hours of the day and night. The route continues west, intersecting the Dallas North Tollway at exits 22B and 22C and its original terminus, I-35E in Farmers Branch at exits 27B and 27C. The freeway then continues to the northwest, intersecting the President George Bush Turnpike at exit 30 westbound and exit 29B eastbound in Irving before arriving at its final terminus at SH 121 at the north entrance to the DFW Airport.

History

I-635 was originally designated by the Texas Department of Transportation (TxDOT) in 1959 as a loop around the east side of Dallas, connecting with I-35E to the northwest and southwest sides of the city.

In January 1969, the first section to open to motorists was a 10-mile (16 km) section from US 75 (now SH 310) near Hutchins to Barnes Bridge in Mesquite.

Editorial summary

The public source identifies “Interstate 635 (Texas)” as highway in Texas. This brief keeps that definition visible, then builds a research path around Interstate, Texas and highway.

Editorial reviewA dependable orientation record for establishing vocabulary, names and a first evidence trail. The current lead gives the account dated anchors—1959, 1969—that can be checked directly. The linked authority record independently contributes the date 1959-10-01. Its value is orientation rather than verdict, with Interstate, Texas and highway providing the first useful test.
Editorial analysis

Why this record matters

A short description can identify a subject without explaining its stakes. For “Interstate 635 (Texas)”, the useful work is to connect “highway in Texas” to the records capable of establishing context and consequence.

Evidence profile

Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Aug 20, 2026. The linked authority identifier is Q2453628. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1959 and 1969.

Critical limits

The absence of detail may reflect summary conventions rather than a lack of surviving documentation. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

Best used for
  • Subject orientation
  • Search vocabulary
  • Locating named sources
Verify next

The closest primary source, responsible institution and strongest cited specialist reference.

Three-step research path

  1. Establish the record: confirm the title “Interstate 635 (Texas)”, its source revision and the description used here.
  2. Expand the search: follow Interstate 635 (Texas) primary sources, Interstate 635 (Texas) archive and Interstate research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Interstate 635 (Texas)”?
  2. Which cited source is closest to the event, object or claim?
  3. Which institution is responsible for the underlying evidence?
Subject index

Search terms from this dossier

Source & attribution

This entry incorporates text from “Interstate 635 (Texas)” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.