TB 167 - Metro Purple Line Extension

Question 1

The purple line is a heavy rail line currently operating between where?

Answer 1

Downtown LA and mid wilshire/Korea town

Question 2

Metro operates a total of how many rail lines, 2 of which are subway lines (red and purple line)?

Answer 2

7 lines

Question 3

What was originally labeled the wilshire/western branch of the red line was relabeled as the purple line in what year?

Answer 3

2006

Question 4

Metros long term plan is to extend the purple line how many miles to Westwood in 3 phases?

Answer 4

9 miles

Question 5

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?

Answer 5

Wilshire/Vermont station

Question 6

From the wilshire/Vermont station, the redline heads where and the purple line continues west terminating at wilshire/western station?

Answer 6

North to the San Fernando valley

Question 7

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?

Answer 7

3.9 miles

Question 8

Section 1 lies beneath what 2 jurisdictions?

Answer 8

LA City and Beverly Hills

Question 9

Section 1 tunnels follow an east-west alignment with stations located along wilshire blvd and what intersections?

Answer 9

La Brea, fairfax and La Cienega

Question 10

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?

Answer 10

75 feet

Question 11

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?

Answer 11

Tunnel boring machines

Question 12

Reach 1 will consist of the wilshire/western shaft to which station?

Answer 12

Wilshire/la Brea station

Question 13

Reach 2 will consist of the wilshire/la Brea station to which station?

Answer 13

Wilshire/fairfax station

Question 14

The wilshire/fairfax station will be in the vicinity of what tourist attractions?

Answer 14

“Museum row” and La Brea tar pits

Question 15

Reach 3 will include the wilshire/fair fax station and what station?

Answer 15

Wilshire/la Cienega station

Question 16

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?

Answer 16

Approximately 700 feet

Question 17

Cross passages connecting the east and west bound tunnels are required to have a spacing of how many feet for emergency evacuation routes?

Answer 17

850 feet

Question 18

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?

Answer 18

23 cross passages

Question 19

Where is the staging area which will serve as the site for launching TBMs and mining tunnels?

Answer 19

Wilshire/la Brea

Question 20

All stations will be designed with approximately how many feet of platforms to accommodate 6 car trains?

Answer 20

450 feet

Question 21

Cut and cover stations will have similar dimensions of how many feet long, wide and depths below street level?

Answer 21

680 feet long
70 feet wide
60 to 70 feet below

Question 22

Side entrances for the cut and cover construction will be how long, wide and deep?

Answer 22

60 feet long
20 feet wide
25 feet deep

Question 23

The first phase of the what 3 underground stations will be using cut and cover construction?

Answer 23

Wilshire/la Cienega
Wilshire/la Brea
Wilshire/fairfax