Traffic data consisting of speed and volume was also collected at 2 locations on Shroyer Road the week of February 1, 2016:

  • Shroyer Rd 75 ft north of East Drive
  • Shroyer Rd 75 ft north of Lonsdale Avenue

The speed data by direction (NB and SB) is summarized in Graph 1. The 85th percentile speed represents the speed which 85% of drivers are traveling or below. Many studies have shown that despite the posted speed limit on a given section of road, most drivers tend to travel at a speed that is comfortable relative to roadway conditions.

The 4-lane, undivided section of Shroyer Road does not have features to discourage operating speeds higher than 35 miles per hour. Nearly 90% of all vehicles in the northbound direction at Lonsdale Avenue were traveling over the posted speed limit of 35 miles per hour during the 5-day data collection period.

GRAPH #1: SHROYER SPEED SUMMARY
Graph 1: Shroyer Speed Summary chart showing posted speed, average speed, and 85th percentile speed by direction at East Dr and Lonsdale Ave

The 24-hour traffic volumes from Monday through Friday are summarized in Graph 2.

9