TRAFFIC STUDY OF AUBURN RD & LOWER

RIDGE DRIVE

Humna AnjumWayne State University

SummaryLocation

Crash History

Warrant Analysis

Conclusions

Questions

Why this Location?

Why this Location?

Level Of Service D• Data Collected on two Fridays in November from

12:30 to 1:30• Heavy Vehicle (HV) percentage • PHF calculated to be 0.87• HCS2000

Crash History

5 Year Crash Data

Accident Year Total Crash

es2014 2013 2012 2011 2009

Crash Type

Single Motor

Vehicle2 2 0 2 0 6

Angle 2 0 0 0 0 2

Rear-end 0 0 1 3 0 4

Total Crashes 4 2 1 5 0 12

Warrant Analysis Warrant 1 Eight-Hour Vehicular VolumeWarrant 2 Four-Hour Vehicular VolumeWarrant 3 Peak HourWarrant 4 Pedestrian VolumeWarrant 5 School CrossingWarrant 6 Coordinated Signal SystemWarrant 7 Crash ExperienceWarrant 8 Roadway NetworkWarrant 9 Intersection near a Grade Crossing

WarrantsPeak Hour Warrant■ Total Entering Volume■ Volume on Minor StreetSchool Crossing Warrant■  Two school in the area the Avondale Meadows School and the

Rochester Hills Christian School are both 0.4 miles away from IAGD. ■ Nearest signal is 600 feet away from the intersectionCrash Experience Warrant■ 12 month period there were 4 crashes at this location■ 2 out of the 4 crashes from 2014 were rear end crashes but the

other 2 were single motor vehicle crashes

Basic 2 Phase SignalSignal Timing:

Cycle Length 30 sec

All Red 2 secYellow 5 secGreen (NS) 5 secGreen (EW) 18 sec

Conclusions24 hour Vehicle Counts

School crossing Warrant

2 Way left turn lane

Questions?