traffic: Traffic Flow on the I-80E Sacramento at Loop Detector 313111

In duncantl/SVGAnnotation: Tools for post-processing SVG plots created in R

Description

A data frame containing traffic flow information for the I-80E Sacramento freeway during the 1 week period from midnight 1/04/2009 midnight to 23:55 1/10/2009.

Usage

data(traffic)

Format

Date

a character vector indicating date in the ##/##/#### format.

Timestamp

a character vector indicating time in the ##:##:## format.

Occ1

Occupancy in Lane 1

Flow1

Flow in Lane 1

Occ2

Occupancy in Lane 2

Flow2

Flow in Lane 2

Occ3

Occupancy in Lane 3

Flow3

Flow in Lane 3

Points

Number of detectors used to generate this observation

PercentObserved

Percent of observations successfully gathered during the 5 minute period.

Details

All measurements were taken during 5 minute measuring periods.

Occupancy in this context is defined as the proportion of time during the 5 minute period that a vehicle was present on the loop detector.

Flow is defined as the number of distinct vehicles which passed over the loop detector during the 5 minute measuring period.

Source

Performance Measurement System http://pems.dot.ca.gov

duncantl/SVGAnnotation documentation built on May 15, 2019, 5:57 p.m.