Challenges Carpool

the share of workers commuting carpool has declined 20.4% in 1970 9.7% in 2011.



flexibility - carpooling can struggle flexible enough accommodate en route stops or changes working times/patterns. 1 survey identified common reason not carpooling. counter schemes offer sweeper services later running options, or guaranteed ride home arrangement local taxi company.
reliability - if carpooling network lacks critical mass of participants, may difficult find match trips. parties may not follow through on agreed-upon ride. several internet carpooling marketplaces addressing concern implementing online paid passenger reservation, billed if passengers not turn up.
riding strangers - concerns on security have been obstacle sharing vehicle strangers, though in reality risk of crime small. 1 remedy used internet carpooling schemes reputation systems flag problematic users , allow responsible users build trust capital, such systems increase value of website user community.
overall efficacy - though carpooling officially sanctioned governments, including construction of lanes allocated car-pooling, doubts remain overall efficacy of carpool lanes. example, many car-pool lanes, or lanes restricted car-pools during peak traffic hours, seldom occupied car-pools in traditional sense. instead, these lanes empty, leading overall net increase in fuel consumption freeway capacity intentionally contracted, forcing solo-occupied cars travel slower, leading reduced fuel efficiency. further, many of vehicles occupied passengers nevertheless consist of multiple passengers, example parent multiple children being escorted school.
in 2012, queensland government announce end car pool lanes (known transit lanes) claiming creating congestion , delays. move supported racq motoring group.




^ cite error: named reference tx invoked never defined (see page).
^ hitchhiking: viable addition multimodal transportation system: prepared national science foundation, 1975 . trid.trb.org. 1976-02-04. retrieved 2014-01-29. 
^ transit lanes create congestion , delays . sydney morning herald. 18 oct 12. retrieved march 1, 2013.  check date values in: |date= (help)