Term
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Definition
| Full time or part time operators route assignment |
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Term
Swing Block
(Bus Scheduling) |
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Definition
| Operator takes a 1 to 4 hour break during their shift |
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Term
Vehicle Block
(bus scheduling) |
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Definition
| what the bus does for a period of time, up to 30 hours |
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Term
crewing/run-cutting
(bus scheduling) |
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Definition
| vehicle block is cut up into pieces and assigned to operators as their duties |
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Term
Street relief
(bus scheduling) |
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Definition
| Operator is replaced with another operator along the route. not allowed at 9:30pm |
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Term
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Definition
| operators get to choose their routes based on seniority.4 times a year |
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Term
rostering
(bus scheduling) |
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Definition
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Term
Block Run
(bus scheduling) |
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Definition
| a 10 hour - 4 day work week |
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Term
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Definition
| essentially reporting to work. the moment they clock in. 15 mins to inspect the vehicle and go. |
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Term
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Definition
| time it takes to leave the garage |
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Term
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Definition
| time it takes to get back to garage |
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Term
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Definition
| when a bus is running yet its empty. displayed as not in service |
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Term
opportunity
(bus scheduling) |
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Definition
| when a bus begins its route in the middle of said route. |
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Term
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Definition
| time between two successive arrivals |
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Term
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Definition
| time it takes to complete a round trip (including layover and recovery time) |
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Term
Line capacity
(rail capacity) |
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Definition
| max number of trains that can be operated over a section of track over a given time |
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Term
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Definition
| space between two rail signals |
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Term
knock-on headway
(rail capacity) |
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Definition
| headway that overlaps previous run |
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Term
|
Definition
| when a train moves onto the opposite track and heads on its return trip |
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Term
factors affecting rail capacity
(rail capacity)
(4) |
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Definition
dwell time
operating margin
turn backs
junctions |
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Term
person capacity
(rail capacity) |
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Definition
| max number of people that can be carried in one direction of track over a period of time |
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Term
loading diversity
(rail capacity) |
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Definition
| people failing to enter the trains evenly, especially during peak hours |
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Term
factors affecting person capacity
(rail capacity) |
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Definition
loading diversity
number of cars
number of train |
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Term
line capacity decreases as ...
(rail capacity) |
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Definition
train length increases
number of stations increases
single track length increases |
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Term
bus service frequency =
(bus optimization) |
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Definition
| inverse of headway (60mins/H) = #buses/hour |
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Term
high frequency is important when...
(bus optimization) |
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Definition
| (cost wait time / operating cost) is high |
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Term
calculating optimal bus size includes...
(2)
(bus optimization) |
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Definition
peak passenger flow and labor cost
units are in passangers --> bus size
55 passengers = 40' bus |
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Term
optimal stop/station affects these things
(4)
(bus optimization) |
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Definition
walking time
operating cost
riding time
riding quality |
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|
Term
transit scheduling is based on
(3)
(bus optimization) |
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Definition
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|
Term
type of route configuration
(transit scheduling) |
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Definition
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Term
interlining
(bus scheduling) |
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Definition
| when two or more buses share part of a route |
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Term
types of frequency
(transit scheduling) |
|
Definition
performance based frequency
demand based frequency
policy based frequency |
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Term
demand based frequency
((transit scheduling) |
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Definition
| the LOS provided on route is directly related to the number of passengers riding at one time and vehicle capacity required to carry them |
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Term
performance based frequency
(transit scheduling) |
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Definition
| service, cost, and overall effectiveness |
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Term
the loading standard
(transit scheduling) |
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Definition
| % of passengers allowed inside the vehicle to the actual seating capacity |
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Term
service timing has 4 typical policies
(transit scheduling) |
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Definition
transfer connections
trunk intertiming
clock frequency
service timing hierarchy |
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Term
trip generation
(transit scheduling) |
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Definition
| process of determining the service schedule for a route |
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Term
span of service
(transit scheduling) |
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Definition
| duration of time service is available for passenger service |
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Term
maximum load point
(transit scheduling) |
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Definition
| location on a route with the greatest number of passengers are on boards |
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Term
number of vehicles needed =
(transit scheduling) |
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Definition
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Term
route deviation
(transit scheduling) |
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Definition
| land use you have to service for a specific time of day where you don't want to make the land use part of the regular route |
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Term
quality of service
(quality of service) |
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Definition
| overall measured or perceived performance of transit service from the passenger point of view |
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Term
TCQSC
(quality of service) |
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Definition
| transit capacity and quality of service committee |
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Term
TCQSCM
(quality of service) |
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Definition
transit capacity and quality of service manual.
tell you if public transit is a viable option.
says what it should be, not how or when |
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|
Term
what the TCQSM measures
(quality of service) |
|
Definition
stop level availability
route segment availability
system availability
reliability
comfort and convenience
headway adherence |
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Term
|
Definition
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|
Term
transit supportive area
(quality of service) |
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Definition
TSA served / TSA area
4 units/acre, 3 jobs/acre, .25 mile bus stop, .5 mile train stop |
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Term
stop level availability is measured on
(quality of service) |
|
Definition
headway
less than 10 min, schedules are not needed |
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|
Term
route segment availability is measured by
(quality of service) |
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Definition
hours of service in a day
19-24 is LOS A |
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|
Term
system availability is measured by
(quality of service) |
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Definition
percentage of TSA covered
>86% is LOS A |
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|
Term
network connectivity index
(quality of service) |
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Definition
ratio of links to nodes determines type of connectivity
grid >1.55
hybrid
cul-du-sac <1.30 |
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|
Term
reliability is measured by
(quality of service) |
|
Definition
on time percentage
LOS A 0-5 mins late |
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|
Term
headway adherance is measured by
(quality of service) |
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Definition
| how often headway is off by scheduled headway |
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Term
comfort and convenience is measured by
(quality of service) |
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Definition
| time it take to travel via public transit compared to automobile |
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Term
timed transfer
(bus transit capacity) |
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Definition
| connecting routes come together at the same time, non-wait transfers |
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Term
types of bus routes
(5)
(bus transit capacity) |
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Definition
fixed
feeder
ubiquitous
express
shuttle |
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Term
CMAQ
(bus transit capacity) |
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Definition
| congestion mitigation air quality |
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Term
JARC
(bus transit capacity) |
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Definition
| job access and route commute |
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Term
runcutting
(bus transit capacity) |
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Definition
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Term
bus capacity estimation
(bus transit capacity) |
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Definition
| how many people can be transported along a route in a given time |
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Term
loading area
(bus transit capacity) |
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Definition
| subset of a bus stop. stop can accommodate 1,2,3...buses |
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Term
vehicle capacity is based on...
(3)
(bus transit capacity) |
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Definition
loading area capacity
stop capacity
lane capacity |
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Term
dwell time
(bus transit capacity) |
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Definition
| time the bus is at the stop. from doors open to door closed |
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Term
clearance time
(bus transit capacity) |
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Definition
| time from end of dwell to back on route |
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Term
operating margin
(bus transit capacity) |
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Definition
| time added into the schedule made of: honest dwell time, dwell time variability, failure rate |
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Term
design failure rate
(bus transit capacity) |
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Definition
| % of time when the bus is arriving at a loading area only it can not be used immediately. |
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Term
route design factors
(3)
(bus transit capacity) |
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Definition
employment
pop density
spacing |
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Term
dwell time variability
(bus transit capacity) |
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Definition
accounts for longer than average dwell so that once bus does not delay the other bus
0.6 is recommended |
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Term
types of bus stop designs
(bus transit capacity) |
|
Definition
linear
saw tooth,
angular
drive thru |
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Term
TSP
(bus transit capacity) |
|
Definition
|
|
Term
types of signal priority
(bus transit capacity) |
|
Definition
green extensions
red trucation |
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Term
|
Definition
state of good repair
the infrastructure is behaving the wait it ought to behave |
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Term
|
Definition
transit oriented development
maximize the land/space withing walking distance to bus/train stop |
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|
Term
major need in public transportion
(intro to pub tran) |
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Definition
| the need for uniform standards across all public transportation agencies regarding LOS, accessibility, availability, etc |
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Term
|
Definition
automatic passenger counter
automatic fare counter
automatic train control |
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