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Traffic - Corridor State Highway 6 Performance

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Status Indicators: Proceeding as Anticipated |  Monitoring Progress | Reviewing for Improvement | Information Unavailable

Status Indicators:
Proceeding as Anticipated
 Monitoring Progress
Reviewing for Improvement
Information Unavailable

AM
B
/ Noon
C
/ PM
C
Q1-18

While the City is on target this quarter, 50% of citizens surveyed in the 2017 Citizen Satisfaction Survey selected flow of traffic and congestion management as one of the most important items they thought should receive the most emphasis over the next two years. Today SH 6/US59 is a major interchange that serves approx. 110 – 120 thousand vehicles a day.  With the continued growth of City and region, congestion along SH 6 will continue to be one of the biggest challenges for the City to manage. The City recognizes the importance  to keep in front of mobility needs to maintain manageable service levels. The City has implemented an adaptive traffic signal system on SH 6 and plans to widen the section north of Lexington through Brooks to help better manage times when SH 6 is saturated including holidays.

During the holidays, traffic saw high intensities of traffic start at 10 am through 9 pm which caused speeds to drop as low as 10 mph on occasion but on average the City met all targets. There was no  change in overall level of service from previous quarter for any of the peaks. Approximately 64,000 vehicles traveled on SH 6 on a typical day with 10% of total vehicles measured from 5-6 pm. Staff continues to validate the corridor times as assurance to the system. 

Average travel times on Highway 6 from Dulles to Brooks  are outlined below: 

  • AM: 6 minutes 14 seconds (34 mph)
  • Noon:  7 minutes 19 seconds (29 mph)
  • PM: 8 minutes 13 seconds (25.8 mph)

Per the 2010 Highway Capacity Manual, this metric is calculated as the average measured travel speed over the posted speed limit for the corresponding major corridor (avg. speed / posted speed limit). The calculated value is converted into a percentage and translated into a letter grade indicative of a level of service (A is the best, F is the worst). The slower the measured speed compared to the posted speed limit, the lower the level of service.

Measured major travel corridors include:

State Highway 6 (Dulles to Brooks St.) - 45 MPH

US Highway 90 (Dairy Ashford Blvd. to SH 6) - 50 MPH

Standard Levels of Service are classified by the 2010 Highway Capacity Manual.

A: ≥86% B: 68%-85% C: 51%-67% D: 41%-50%

E: 31%-40% F: ≤30%

Target: C/C/C

A target of C means the City aims to have traffic flowing at a minimum of 51-67% of the speed limit. For Highway 6, this means the City aims to have traffic goal at least 23 - 30 MPH during the AM, noon, and PM peak travel times. 

The City of Sugar Land's most vital vehicular travel corridors support commercial enterprise and quality of life. Shorter travel times help improve both commercial enterprise and quality of life.

City of Sugar Land Public Works Department - Traffic Division; The Traffic Division currently uses a data collection method called the floating car method in which two staff members drive the traffic corridor in each direction. One staff member drives the car, while the other records the average measured travel speed over the posted speed limit. This exercise is conducted each quarter, for each of the peak travel times: AM, Noon, and PM.





Contact Information

City of Sugar Land
2700 Town Center Blvd. North
Sugar Land, TX 77479

Office of Strategic Initiatives
Contact (281) 275-2236
www.sugarlandtx.gov
StrategicInitiatives@sugarlandtx.gov

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Contact Information

City of Sugar Land
2700 Town Center Blvd. North
Sugar Land, TX 77479

Office of Strategic Initiatives
Contact (281) 275-2236
www.sugarlandtx.gov
StrategicInitiatives@sugarlandtx.gov

Site Map
Disclaimer
Privacy

click here to view the city of sugar land's facebook pageclick here to view the city of sugar land's twitter page