logo

Texas Spur 399/State Highway 5 Widening

Sector: Road • Location: Collin County, Texas, United States

Source: Construction Equipment Guide

Project
Under Construction

The Texas Department of Transportation (TxDOT) is widening Spur 399/State Highway 5 from four to six lanes in Collin County, Texas, to address anticipated highway congestion. The $168 million project includes the construction of eight new bridges, the widening of two existing bridges, installation of more than 40 retaining walls, and 33 streetlights along a 2-mile stretch between Stewart Road and

Status
Under Construction
Sector
Road, Government
Location
Collin County, Texas, United States of America
Updated
22 Jul 2026
Source
Construction Equipment Guide

ConstructChat

Ask ConstructChat about Texas Spur 399/State Highway 5 Widening

Pick a question to edit it, or write your own.

First answer free · no account

I am a

Project Information FAQ

Project Information

5 Q
The project “Texas Spur 399/State Highway 5 Widening” is an infrastructure initiative in the Road sector, located in Collin County, Texas, United States. Taiyo aggregates data on it from Construction Equipment Guide.

Participants

Sponsoring Agency

Company

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Texas Department of Transportation (TxDOT) is widening Spur 399/State Highway 5 from four to six lanes in Collin County, Texas, to address anticipated highway congestion. The $168 million project includes the construction of eight new bridges, the widening of two existing bridges, installation of more than 40 retaining walls, and 33 streetlights along a 2-mile stretch between Stewart Road and Eldorado Parkway. The project aims to improve safety and mobility in the rapidly growing area and is expected to be completed by early 2029.

Original sector

Transportation

Budget

Location

Country

United States of America (USA)

State

Texas

City

Collin County

Source

Source

Construction Equipment Guide

URL

More Details

Record type

Project

Sector

Road, Government

Article published date

2025-09-16

More on this project

Research

Free account

View all details

You are reading the public part. A free account opens the rest:

  • Every detail on this project
  • News and media coverage
  • Technical research
View all details

Free account · no card · lands you back on this project