Bicycle paths, lanes, cycle tracks, and other road markings and features accommodate or provide dedicated spaces for bicyclists. Cycle tracks, also called protected bikeways or protected bike lanes, are lanes separated from traffic by a barrier such as a curb. Bicycle facilities can be added to new or existing roads as independent initiatives or as part of a comprehensive package of interventions such as a bicycle and pedestrian master plan.
Expected Beneficial Outcomes (Rated)
Other Potential Beneficial Outcomes
Increased active transportation
Increased physical activity
Evidence of Effectiveness
On-road bicycle lanes1, 2 and off-road paths appear to reduce bicyclist injuries1, especially when paths are not obstructed5. Protected bike lanes also appear to reduce bicyclist injuries3, 4 and increase cyclists’ perception of safety6. Road lighting, smooth pavement1, 5, flatter roads1, 4, roads with fewer than four lanes of traffic5, and greater numbers of bicyclists on the road7 are also associated with fewer bicyclist injuries.
Turn lanes, separate bike signals, and other intersection design features can increase safety for bicyclists8. Roundabouts can increase injury risk more than other types of intersections1, 9, especially without cycle tracks1. Roundabouts with bicycle paths or mixed traffic designs may pose less danger for cyclists than those with bicycle lanes9.
Access to bicycle lanes appears to increase bicycling7, 10, especially when lanes are separated from traffic by a physical barrier6 or implemented as part of a comprehensive package of interventions such as a bicycle and pedestrian master plan7.
Costs for infrastructure improvements vary significantly by locale and type of improvement, for example, in one study, bike lanes cost an average of $133,170 and signed bicycle routes cost an average of $25,070 per mile11. Some studies suggest that bicycle facilities may increase sales at local businesses6. A Netherlands-based cost benefit analysis suggests that investments in improved bicycle infrastructure and facilities yields positive net benefits in the long-term12.
Impact on Disparities
Bicycle paths and lanes are common around the country. Many organizations are working to increase bike paths and lanes; the Green Lane Project and the Alliance for Biking & Walking are two examples13, 14.
About half of all respondents to a nationwide 2012 survey had bicycle paths within a quarter mile of their homes and about 40% had bicycle lanes15.
PBIC-Design resource - Pedestrian and Bicycle Information Center (PBIC). Design Resource Index.
PFP-Trail action guide - Partnership for Prevention (PFP). Places for physical activity: Facilitating development of a community trail and promoting its use to increase physical activity among youth and adults - An action guide. Washington, DC: Partnership for Prevention (PFP); 2008.
ChangeLab-Zimmerman 2013 - Zimmerman S, Kramer K. Getting the wheels rolling: A guide to using policy to create bicycle friendly communities. Oakland: ChangeLab Solutions; 2013.
RWJF-Action strategies - Leadership for Healthy Communities. Action strategies toolkit: A guide for local and state leaders working to create healthy communities and prevent childhood obesity. Princeton: Robert Wood Johnson Foundation (RWJF); 2009.
RTT-Toolbox - Rails to Trails Conservancy (RTT). Trail-building toolbox.
LAB-Bike laws - The League of American Bicyclists (LAB): Bike Laws and model legislation.
* Journal subscription may be required for access.
1 Reynolds 2009 - Reynolds CC, Harris MA, Teschke K, Cripton PA, Winters M. The impact of transportation infrastructure on bicycling injuries and crashes: A review of the literature. Environmental Health. 2009;8:47.
2 Chen 2012a* - Chen L, Chen C, Srinivasan R, et al. Evaluating the safety effects of bicycle lanes in New York City. American Journal Public Health. 2012;102(6):1120–7.
3 Lusk 2011 - Lusk AC, Furth PG, Morency P, et al. Risk of injury for bicycling on cycle tracks versus in the street. Injury Prevention. 2011;17(2):131–5.
4 Harris 2013 - Harris MA, Reynolds CC, Winters M, et al. Comparing the effects of infrastructure on bicycling injury at intersections and non-intersections using a case-crossover design. Injury Prevention. 2013;19(5):303–10.
5 Romanow 2012 - Romanow NTR, Couperthwaite AB, McCormack GR, et al. Environmental determinants of bicycling injuries in Alberta, Canada. Journal of Environmental and Public Health. 2012:2013(487681):1-3.
6 NITC-Monsere 2014 - Monsere C, Dill J, McNeil N. Lessons from the green lanes: Evaluating protected bike lanes in the U.S. Portland: National Institute for Transportation and Communities (NITC); 2014.
7 Pucher 2010* - Pucher J, Dill J, Handy S. Infrastructure, programs, and policies to increase bicycling: An international review. Preventive Medicine. 2010;50(Suppl 1):S106-25.
8 Pucher 2003 - Pucher J, Dijkstra L. Promoting safe walking and cycling to improve public health: Lessons from the Netherlands and Germany. American Journal of Public Health. 2003;93(9):1509-1516.
9 Daniels 2009* - Daniels S, Brijs T, Nuyts E, Wets G. Injury crashes with bicyclists at roundabouts: Influence of some location characteristics and the design of cycle facilities. Journal of Safety Research. 2009;40(2):141–8.
10 Parker 2011* - Parker KM, Gustat J, Rice JC. Installation of bicycle lanes and increased ridership in an urban, mixed-income setting in New Orleans, Louisiana. Journal of Physical Activity & Health. 2011;8(Suppl 1):S98-S102.
11 UNC-Bushell 2013 - Bushell MA, Poole BW, Zegeer CV, Rodriguez DA. Costs for pedestrian and bicyclist infrastructure improvements: A resource for researchers, engineers, planners, and the general public. Chapel Hill: University of North Carolina, Chapel Hill, Highway Safety Research Center; 2013.
12 Fishman 2015* - Fishman E, Schepers P, Kamhuis CBM. Dutch cycling: Quantifying the health and related economic benefits. American Journal of Public Health. 2015;105(8):e13-e15.
13 PeopleForBikes-GLP - PeopleForBikes Green Lane Project (GLP). Report: Protected bikes lanes 101.
14 ABW - Alliance for Biking & Walking (ABW). Protected bike lanes mean business.
15 NHTSA-Schroeder 2013 - Schroeder P, Wilbur M. 2012 National survey of bicyclist and pedestrian attitudes and behavior, volume 2: Findings report (Report No. DOT HS 811 841 B). Washington, DC: National Highway Traffic Safety Administration (NHTSA); 2013.
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