Project Overview
State Loop (SL) 335 around the City of Amarillo serves as a connection to national and regional corridors along with local arterials. The TxDOT Amarillo District and the Amarillo MPO have identified SL 335 as a top priority, transportation project candidate with the goal of upgrading the entire loop to a controlled-access freeway type facility consisting of mainlanes, ramps, one-way frontage roads with bicycle and pedestrian accommodations, and three-level interchanges (I-40 East, I-40 West, I-27 and US 87).
SL 335
SL 335 has been divided into 4 main segments corresponding to the quadrants:
The SL 335 Corridor Develoopment study, adopted by the Amarillo MPO in October 2014, outlines that the majority of the loop can be upgraded to a freeway by generally following the existing alignment except a portion of Segment B referred to as B-2. Sub-Segment B-2 will be generally be constructed on a new location alignment to re-route the loop around an existing portion of the loop which has evolved into an urban arterial (Soncy Road). Right-Of-Way (ROW) acquisitions/relocations and utility relocations are expected on each segment.
Amarillo Helium Plant
The SL 335 B-2 Sub-segment would require right-of-way acquisition from the Amarillo Helium Plant property located at Helium Road and Amarillo Boulevard. The Helium Plant was previously determined eligible for listing in the National Register of Historic Places for its association with the federal government’s helium program as the headquarters and primary research laboratory. Section 106 of the National Historic Preservation Act of 1966 and Section 4(f) of the Department of Transportation Act of 1966 require that steps be taken to analyze all possible alternatives and avoid, minimize or mitigate the adverse effects of this transportation project on the Helium Plant property. A Section 4(f) Net Benefit determination was executed based on a Memorandum of Agreement between TxDOT, Texas Historical Commission, and Advisory Council on Historic Preservation.
Public Involvement
Public input is crucial to this study's success, and all members of the community are highly encouraged to give feedback and suggestions on what improvement they do, and do not want to see. Public involvement opportunities will be posted here as they are scheduled.
Segment A, From Bell Street to Southeast 3rd Avenue
Approximately 15.5 miles of proposed improvements that include a three-level interchange at I-40 East, mainlanes, ramps, frontage roads, grade separations at arterials and railroad crossings. Existing alignment is a two-lane rural highway from Bell Street to I-40 East then four-lane un-divided to SE 3rd Avenue.
Segment B, From Bell Street to Southwest 9th Avenue
Approximately 9.9 miles of proposed improvements that include a three-level interchange at I-40 West and I-27, new location sub-segment, mainlanes, ramps, frontage roads, grade separations at arterials. Existing alignment is four-lane rural highway from Bell Street to FM 2590 then generally a new location to SW 9th Avenue.
Segment C, From Southwest 9th Avenue to Echo Street
Approximately 9.8 miles of proposed improvements that include a three-level interchange at US 87, mainlanes, ramps, frontage roads, grade separations at arterials and railroad crossings. Existing alignment is a two-lane rural highway from SW 9th to FM 1719 then four-lane divided to Echo.
Segment D, from Echo Street to SE 3rd Avenue
Approximately 8.3 miles of proposed improvements that include mainlanes, ramps, frontage roads, grade separations at highways, arterials and railroad crossings. Existing alignment is a four-lane divided highway from Echo to US 60 then four-lane un-divided to SE 3rd.
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TxDOT Amarillo District
5715 Canyon Drive
Amarillo, Texas 79110
(806) 356-3200
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