CSS-Transit case studies
CSS-Transit · Put your knowledge to work in context.
CSS-Transit is an independent study page for candidates preparing for a certification-style exam in public transit supervision and systems. It is written for transit agency staff, operations supervisors, safety and security officers, procurement and compliance specialists, technology planners, and workforce-development professionals who want a structured way to revise the knowledge a transit organization expects of its front-line and mid-level leaders. The material is organized around five equally weighted domains: Public Transit Operations and Systems; Safety and Security Management; Standards, Compliance, and Procurement; Technology for Transit Systems; and Workforce, Leadership, and Professional Development. Each domain carries 20 percent of the blueprint, so a candidate should plan study time evenly across all five rather than over-investing in the area they already know from daily work. The CSS-Transit case studies are 5 cases and about 2,770 words.
1Blue Line Slow Order: Headway, Capacity, and Safety
MetroLink's 12.4-mile Blue Line carries 38,000 riders on a normal weekday. Peak service is 12 trains per hour per direction on a 5-minute headway, using three-car trains rated at 450 passengers each.
612 words, about 3 min2Unattended Bag Analytics at Central Station
Central Station has 42,000 daily entries and 180 cameras. Six months ago the agency deployed video analytics that flag unattended bags.
573 words, about 3 min3Battery-Electric Bus Procurement: Mandatory Range and Best Value
A transit agency issues an RFP for 30 battery-electric 40-foot buses. The specification states a mandatory minimum usable range of 180 miles on a defined route cycle at 32°F with HVAC on, plus a 12-year battery warranty.
536 words, about 3 min4APC Spike Before the NTD Report
A mid-size agency uses automatic passenger counters on 120 buses. The monthly ridership report is due to the National Transit Database, and the raw APC data shows an 18% increase over the same month last year.
514 words, about 3 min5High-Voltage Training Failures for Electric Bus Technicians
An agency is introducing 40 battery-electric buses. Before release, all maintenance technicians must complete high-voltage safety certification.
535 words, about 3 min