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Traffic - Corridor US Highway 90 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
C
/ 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. To address this concern, the City is planning to implement an adaptive traffic system, which would focus on managing some of the traffic congestion during the AM, noon, and PM peaks.

The City met its AM, noon, and PM targets. There was no change for either of the peaks. There were also minimal fluctuations in travel times. Approximately 70,000 vehicles traveled on US 90 with approximately 9% of total vehicles measured in the 5-6 pm. Staff is currently working on improving optimization during noon and evaluating other methods to improve PM & AM peaks after train interruptions. 

Average travel times for Highway 90 between Dairy Ashford and Highway 6 are below: 

  • AM: 5 minutes 25 seconds
  • Noon: 5 minutes 46 seconds
  • PM: 6 minutes 46 seconds


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). This measurement is attained for the AM peak (7-8 AM), Noon Peak (12-1 PM), and the PM peak (5-6 PM), when the major travel corridors in the City of Sugar Land typically experience high travel demands. 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 25 - 34 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