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SP 371 San Antonio Area Freeway System
State Spur 371 (General Hudnell Drive)

This page last updated December 2, 2016

Spur 371 highlight map This page covers State Spur (SP) 371 from US 90 to Port San Antonio (the former Kelly AFB.)

Length: 1.7 miles


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On this page

Overview
 
Roadway
details
Schematic Lanes Access
roads
         
Exits
 
Speed
limits
Special features
& notes
Traffic Media
gallery
         
   
  Construction
projects
Future
plans
History
 
 
         

Overview

This short freeway provides access from US 90 to the Port San Antonio inland port and industrial park.


Roadway details

SCHEMATIC

Click here for a schematic of Spur 371.
 
LANES
  • 4 lanes from US 90 to Frio City Rd.
  • 6 lanes from Frio City Rd. to Cupples
  • 8 lanes from Cupples to the Port San Antonio main entrance

Spur 371 lanes map

 

   
ACCESS ROADS


There are no access roads along this freeway.

 
EXITS


SOUTHBOUND:

  • Quintana Rd./East Kelly Railport
  • Freeway ends at Billy Mitchell Blvd.

NORTHBOUND:

  • Cupples Rd./Quintana Rd./East Kelly Railport
  • Frio City Rd.
  • Freeway merges into US 90 eastbound
 
SPEED LIMITS
  • 55 mph from US 90 to Cupples
  • 40 mph from Cupples to Port San Antonio entrance

Spur 371 speed limits map

 

   
SPECIAL FEATURES & NOTES

    • The interchange at US 90 only facilitates traffic from westbound US 90 to Spur 371 and from Spur 371to eastbound US 90 
 
TRAFFIC


Generally light traffic volumes. Traffic counts dropped substantially after the closing of Kelly AFB.
 

 

AVERAGE ANNUAL DAILY TRAFFIC
LOCATION 1990 2005 2010 2013 2014 2015 '05-'15
% CHG
S of US 9014,70013,50014,30015,63514,29315,711+16.38%
At Port SA23,00015,81012,40014,29712,04613,175-16.67%
 

Media gallery

Click here for photos and video of this freeway.


Construction projects

No current projects in this corridor.


Future plans

Over the past two decades, the former Kelly AFB has been converted into a major industrial park and inland port named Port San Antonio (previously named KellyUSA).  As Port San Antonio grows, traffic in and around the area is expected to increase substantially, especially truck traffic.  Therefore, part of the redevelopment effort includes the proposed construction of an expressway (Kelly Parkway) connecting US 90 with I-35 South, Loop 410 South, and SH 16 South, with Spur 371 comprising the northernmost section of that corridor.  Improvements to the interchange at US 90 would be included.  However, there is presently no timetable or funding for those projects.


History

Authorized by Minute Order 51835 (September 25, 1962).  This route was finalized amid some controversy in 1964.  Construction began in September of that year with a ceremony attended by 500 people.  The "groundbreaking" was done using an oversized plunger that detonated a simulated missile warhead.  The freeway was completed and open to traffic in 1968.  It originally had the unimaginative title of "Kelly Access Freeway", but its name was changed to General Hudnell Drive shortly after it opened.  Major General William Hudnell retired as commander of Kelly AFB in 1965.




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This page and all its contents are Copyright 2017 by Brian Purcell

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