The document discusses traffic counts, detailing the methods and use cases for analyzing vehicular and pedestrian traffic to inform traffic management decisions. It includes descriptions of various data collection methods such as permanent counters and turning movement counts, alongside criteria for identifying errors in data. Additionally, it outlines processes for data processing and reporting, including calculating average daily traffic metrics.

1. Transportation Volume Counts
Ali Hojjat

2. Traffic Count and Use Cases
A traffic count is a count of vehicular/pedestrian/bikes/Scooter traffic, which is conducted along
a particular road, path, or intersection in determining traffic quantity and characteristics
Use cases:
Traffic analysis and making traffic management decisions, such as:
● Traffic-calming measures
● Monitor traffic pattern changes
● Walking and cycling improvements
● Traffic and parking regulations
● Intersection and laning upgrades
● Traffic signal timing modifications
● Bus stop locations

3. Transportation Data Collection Programs
Permanent Counters
Inductive loops
Bike Counters
Short Term Counts
Portable hoses/tubes
Turning Movement Counts

4. Turning Movement Counts
Intersection Turning Movement Count / Mid block Cross Section

5. ENG - TDM - Turning Movement Count - Clark Dr & Powell St - 2022-06-25.xlsx

6. Street A Street B
Nanaimo St Dundas St

9. Permanent Counters
~ 200 Permanent Motor Vehicle detectors:
Time Interval : 5 minutes
~ 100 permanent Bike Counters :
Time Interval : 15 minutes

10. Permanent Counters
Eastbound
Westbound

11. Criteria Description
Daytime Zero Error If the number of consecutive zeroes traffic volumes between 6:00 and 22:00 is greater than or equal to the relative threshold
Max Hourly Volume by Lane If the maximum hourly traffic volume threshold is surpassed (3000 vehicles/lane/hour based on 250 vehicle/ 5 minute interval)
3 am Verses 3 pm Volume If the 1:00 am volume is greater than the 1:00 pm volume for the same day.
Identical Values Error If the number of hours were there are identical consecutive traffic volumes is greater than or equal to the relative threshold
DailyVol vs MonthlyAverage week daily Each daily traffic volume is compared to the day-of-week average for that month (or the prior years MADW).
........

12. Traffic Count
System
Construction
Projects
Weather Data
Rush
Regulation
……
ETL
Reporting
Analytics
Additional datasources

13. Raw Lane based data (5min)
Data Engineering ( QC rules)
Calculate the Imputed Volume
Aggregate the Hourly data
Calculate the Average Hourly per
day/month/year
Aggregate in to street segment
by direction
24 hours
per day
exist
Y Calculate the Monthly Average Daily
Traffic per Segment/month/year
Month with 7
days of
average
daily exist
Y
Calculate the Annual Average daily traffic
per segment/direction/month /year (if 12
months of data are availbale
MADT , MADW, MAWDT
AADT , AADW, AAWET

16. 20
22
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