PTP case studies
PTP · Put your knowledge to work in context.
The Professional Transportation Planner® (PTP) is a certification conferred by the Transportation Professional Certification Board, Inc. (TPCB) for practitioners whose work is transportation planning rather than traffic operations engineering. The PTP case studies are 5 cases and about 3,691 words.
1Amending the Long-Range Plan Under a Shortened Revenue Forecast
A metropolitan planning organization serving 240,000 people is amending its long-range plan. Two things have changed since adoption: the legislature indexed the state fuel tax to inflation but diverted 12% of the proceeds to the general fund, and the policy board now wants to add a $180 million expressway extension that was not in the adopted plan.
728 words, about 4 min2Model Validation After Telework and a New BRT Line
A regional travel demand model was calibrated to a 2015 household travel survey and 2018 traffic counts. Post-pandemic, observed AM-peak vehicle trips at 12 screenlines run 9% to 14% below model estimates, while core-area transit boardings are 6% above them.
744 words, about 4 min3Road Diet on a State-Owned Freight Arterial
A city of 85,000 adopted a corridor plan calling for a road diet on a four-lane arterial: two through lanes, a center left-turn lane, and bike lanes. The arterial carries 18,000 vehicles per day with 6% trucks and serves a warehouse district.
764 words, about 4 min4Transit Center Grant After a Bid Overrun
A transit agency has won a 22 million federal capital grant for a downtown transit center. The grant requires a 50% local match and obligation of funds within three years; 11 months remain.
732 words, about 4 min5Setting Reliability Targets With Contaminated Data
A state DOT must adopt four-year targets for National Highway System travel-time reliability and freight reliability. Reliability has improved about 4% on rural interstates but degraded 7% on three urban freight corridors.
723 words, about 4 min