Lesson 1: Movement And Utility Systems Flashcards
Surface drainage channels are located ____ of the roadways and connect to storm water conduits
Along side
Pedestrian walkways are located where, in relationship to the road way?
Parallel
4 types of system patterns
Grid, radial, curvilinear and linear
Categories of traffic arteries from larger to smallest
Freeways, expressways and motorways
Arterial streets and highways
Collector-distributor streets
Local access streets
Street widths are determined by…
Travel levels and amount of parking
Traffic lanes are typically ___ to ____ ft wide
11-12
Parallel parking lanes are usually ___ ft wide
8
Simple, reverse, compound and broken back are types of?
Curves
True or false: streets that intersect at less than 80 degrees should be avoided?
True
Intersections in a straight line should offset no less than ____ ft and ____ ft for major arterial streets
150 and 800
Length of cul-du-sac should not exceed _____ ft with a minimum turning radius of 80ft with. No parking
400
Maximum depth of loop street is?
700 ft
Maximum block length is?
1600 ft
Curb radii should be a minimum of ___ ft and ____ft for majors streets
12 and 50
Stop signs, traffic signals, turning lanes, islands, grade separations and medians are types of?
Movement control device
Traffic signals are used when volume exceeds _____ vehicles/hour (v/hr)
750
Grade separations are used when traffic volume exceeds _____ v/hr
3000
Most common type of grade separation is?
Cloverleaf
Most expensive grade separation is?
Direct left turn
Most efficient grade separation is?
Diamond interchange
Up ramps for grade separations is usually between ____ and ____%
3 and 6
Slope for down ramp for grade separations is typically?
8%
True or false: the ideal location for an access drive is between the parking and building
True
A circulation system connecting the site to the local public road system is necessary when the volume of traffics exceeds _____vehicles
400-500
Circular access street with carefully located access points connecting to the local public road system is called?
Loop distributor-collector drive
The following must be considered when organizing parking…
Vehicle length, width, overhang (front and rear), turning radii
Where should accessible spaces be located?
Close to building entrance
Typical parking space width…
8’-4”
Parking stalls at angles less than 40 degrees may be ____ ft wide
8
Parking stalls are usually ___-___ ft long
18 to 20
Minimum one way traffics aisle width is?
12 ft
At 90 degrees the total width of a parking bay with 2 way drive aisle is?
64 ft
A reasonable estimate for the square footage of parking per car is?
400 sqft