The diagram above illustrates the comparison between multiple transit authority companies including for-profit Elder Transportation Services. The diagram suggests the lowest cost-efficient transit service available to the public for Para-transit services only. The dots symbolize the cost for each one-way trip scheduled with that transit authority company. In addition, Elder Transportation Services $1.50/one-way trip is the most cost-efficient of the three transit authorities in the following cities, Portland, Oregon, Nashville, Tennessee, and Dallas, Texas.