TY  - JOUR
PY  - 1986//
TI  - Use and effectiveness of simple linear regression to estimate saturation flows at signalized intersections
JO  - Transportation research record
A1  - Stokes, Robert W.
A1  - Stover, Vergil G.
A1  - Messer, Carroll J.
SP  - 95
EP  - 101
VL  - 1091
IS  - 
N2  - In this paper, data from 14 intersection approaches with exclusive double left-turn lanes in three Texas cities are used to illustrate the use of simple linear regression to estimate saturation flows. Some theoretical considerations and potential bias in saturation flows estimated by simple linear regression are also briefly discussed. Average left-turn saturation flows in excess of 1,800 vehicles per hour of green per lane for the majority of the study sites within each city are suggested by the regression estimates. Relative to generally accepted straight-through flow rates, the regression models appear to have substantially underestimated average left-turn departure headways.    Record URL:   http://onlinepubs.trb.org/Onlinepubs/trr/1986/1091/1091-013.pdf<p /> <p>Language: en</p>
LA  - en
SN  - 0361-1981
UR  - http://dx.doi.org/
ID  - ref1
ER  -