TB 167 - Metro Purple Line Extension Flashcards
The purple line is a heavy rail line currently operating between where?
Downtown LA and mid wilshire/Korea town
Metro operates a total of how many rail lines, 2 of which are subway lines (red and purple line)?
7 lines
What was originally labeled the wilshire/western branch of the red line was relabeled as the purple line in what year?
2006
Metros long term plan is to extend the purple line how many miles to Westwood in 3 phases?
9 miles
Both the red line and purple line being at union station and travel along same tracks all the way to Westlake/MacArthur park stations where they then part at what station?
Wilshire/Vermont station
From the wilshire/Vermont station, the redline heads where and the purple line continues west terminating at wilshire/western station?
North to the San Fernando valley
Section 1 of the purple line project extends approximately how many miles underground beneath wilshire/western to wilshire/Stanley just west of La Cienega blvd?
3.9 miles
Section 1 lies beneath what 2 jurisdictions?
LA City and Beverly Hills
Section 1 tunnels follow an east-west alignment with stations located along wilshire blvd and what intersections?
La Brea, fairfax and La Cienega
The wilshire/western shaft will be constructed adjacent to wilshire in a vacant property to the north of the existing wilshire/western station about how many feet east of manhattan place?
75 feet
The wilshire/western shaft will connect the purple line tunnels to the existing wilshire/western station and can also be used to retrieve what at the completion of tunnel for reach 1?
Tunnel boring machines
Reach 1 will consist of the wilshire/western shaft to which station?
Wilshire/la Brea station
Reach 2 will consist of the wilshire/la Brea station to which station?
Wilshire/fairfax station
The wilshire/fairfax station will be in the vicinity of what tourist attractions?
“Museum row” and La Brea tar pits
Reach 3 will include the wilshire/fair fax station and what station?
Wilshire/la Cienega station
Tunnels will continue how many feet pas the wilshire/la Cienega station which provide tail tracks for train storage when section 1 is operational and will incorporate section 2 for the subway system?
Approximately 700 feet
Cross passages connecting the east and west bound tunnels are required to have a spacing of how many feet for emergency evacuation routes?
850 feet
For section 1 alignment, there will be how many cross passages of which 3 (located at low points) also serve as sump structures equipped with pumps discharging to surface facilities?
23 cross passages
Where is the staging area which will serve as the site for launching TBMs and mining tunnels?
Wilshire/la Brea
All stations will be designed with approximately how many feet of platforms to accommodate 6 car trains?
450 feet
Cut and cover stations will have similar dimensions of how many feet long, wide and depths below street level?
680 feet long
70 feet wide
60 to 70 feet below
Side entrances for the cut and cover construction will be how long, wide and deep?
60 feet long
20 feet wide
25 feet deep
The first phase of the what 3 underground stations will be using cut and cover construction?
Wilshire/la Cienega
Wilshire/la Brea
Wilshire/fairfax
