Predicting Free Flow Speed and Crash Risk of Bicycle Traffic Flow Using Artificial Neural Network Models

Table 1

Descriptive statistics of model parameters.

Parameters types	Designation		Max	Min	Mean	SD
Cycleway features	Cycleway width (m)	CW	4.60	2.27	3.46	0.74
Traffic flow parameters	Bicycle flow (bicycles/h/m)	FB	1364	72	590	302
Bicycle types	% of BSEB	PBS	42.31%	3.75%	16.78%	5.79%
	% of SSEB	PSS	79.59%	29.61%	53.11%	10.56%
Characteristics of cyclists	% of male cyclists	PMC	92.75%	43.54%	65.64%	8.48%
	% of young cyclists	PYC	92.02%	22.50%	64.14%	14.13%
	% of middle-aged cyclists	PMAC	62.38%	4.80%	28.10%	11.82%
	% of loaded cyclists	PLC	30.00%	1.32%	11.19%	5.67%