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TTC P

hase

I est

imat

ed at

$1.

189 B

Ca

lifor

nia v

oter

s ap

prov

e Pro

p 1A

– Sa

fe, R

elia

ble H

igh-

Spee

d Pa

ssen

ger T

rain

Bon

d Act

fo

r th

e 21st

Cent

ury

East

ern

Neig

hbor

hood

Plan

Appr

oved

TTC P

hase

I inc

reas

es to

$1.

59B;

Phas

e II (

DTX)

esti

mat

ed $2

.6-3

.2B

TJPA

rece

ives

ARR

A fu

nds (

$400

M) Ph

ase I

(Tra

inbo

x) &

TIFIA

loan

($17

1M)

TTC b

reak

s gro

und

on co

nstr

ucti

on

SF V

oter

s app

rove

Pro

p G –

HSR

to go

to TT

C CH

SRA B

usin

ess P

lan

grad

e sep

arat

es 16

th &

Mis

sion

Bay D

r (t

renc

hing

)

MTC

iden

tifie

s DTX

as o

ne of

two r

egio

nal a

pplic

ants

for

New

Star

ts fu

ndin

g Ce

ntra

l Sub

way

cons

truc

tion

begi

ns

4th/K

ing S

tree

t Rai

lyar

ds St

udy c

ompl

eted

TC

DP a

dopt

ed

Tran

sbay

Mel

lo-R

oos d

istr

ict f

orm

ed

War

rior

s Are

na EI

S/R

appr

oved

UC

SF M

edic

al Ce

nter

ope

ns

Prop

H en

dors

es SW

L337

TJ

PA re

leas

es Su

pple

men

tal E

IS/R

for

DTX

TTC P

hase

I cos

ts in

crea

ses t

o $2

.3B

TTC/

DTX

Phas

e II c

ost i

ncre

ases

to $

4B

HSR

mod

ifies

thei

r bu

sine

ss pl

an to

com

e to

SF ea

rly (

4th/K

ing)

Co

nnec

tSF i

niti

ated

HSR

to tr

avel

from

LA to

SF

HSR

to tr

avel

from

Cent

ral V

alle

y to

SF (4

th/K

ing)

up to

4tr

ansi

/ph/

d

Calt

rain

elec

trifi

cati

on co

mpl

eted

and

trai

ns ru

nnin

g - u

p to

6 tr

ains

/ph/

d

TTC o

pens

(Bus

Leve

l, pa

rk, a

nd m

ain

leve

l)

Core

Capa

city

Stud

y Com

plet

ed

Cent

ral S

oMa P

lan

and

EIS/

R ap

prov

ed

Mis

sion

Rock

(SW

L337

) and

Pier

70

Plan

s ado

pted

First

dat

e New

Star

ts fu

nds

will

be a

vaila

ble

for

DTX

as

Cent

ral S

ubw

ay w

ill b

e co

mpl

eted

Lege

nd

City

and

Coun

ty o

f San

Fran

cisc

o Tr

ansb

ay Tr

ansi

t Cen

ter

+ D

TN Ex

tens

ion

Calt

rain

Ca

lifor

nia

High

Spee

d Ra

il M

etro

polit

an Tr

ansp

orta

tion

Aut

hori

ty

Tim

elin

e of

re

late

d pr

ojec

ts

RAB

Stud

y beg

ins

Prop

F en

dors

es Pi

er 7

0

Earl

iest

DTX

star

t on

Cons

truc

tion

(7 y

ears

)

AT&T

Par

k Op

ens

Tran

sbay

EIS/

R Cer

tifie

d –

incl

udes

DTX,

TTC,

Red

evel

opm

ent P

lan

Calt

rain

’s Ba

by Bu

llet

Serv

ice f

rom

SJ to

SF b

egin

s

Tran

sit C

ente

r Di

stri

ct Pl

an (T

CDP)

init

iate

d M

uni M

etro

T-Th

ird

Open

s for

ope

rati

ons

Cent

ral S

ubw

ay op

ens f

or o

pera

tion

s W

arri

ors A

rena

ope

ns

Mis

sion

Bay l

ikel

y to

be fu

lly b

uilt

-out

UCSF

Mis

sion

Bay –

firs

t res

earc

h bu

ildin

g ope

ns

East

ern

Neig

hbor

hood

s Tra

nspo

rtat

ion

Impl

emen

tati

on Pl

anni

ng St

udy (

ENTI

RIPS

) app

rove

d Ce

ntra

l SoM

a Pla

n in

itia

ted

SF V

oter

s app

rove

Pro

p H –

Calt

rain

to TT

C

Tran

sbay

Rede

velo

pmen

t Pla

n In

itia

ted

TJPA

split

s pro

gram

into

two p

hase

s (1)

TTC &

(2) D

TX

2029

2000

2025

2015

2010

2008

2012

2016

2021

2017

2014

2020

2004

2007

2019

2003

2011

1999

2005

2006

Glossary

Transbay Transit Center (TTC): the replacement for the Transbay terminal and the future end of the High-speed rail (HSR) and Caltrain Rail Lines

4th/King Railyard (or Railyard): Caltrain’s operation, storage, and maintenance facility located along King Street from 4th -7th streets

Alignment: the path rail would take between existing rail tracks and the Transbay transit center

DTX: Abbreviation for the “Downtown Rail Extension,” the environmentally-cleared alignment for high-speed rail and Caltrain to reach the Transbay transit Center

Component: For the RAB study, there are 5 components. Or topic areas, under study: Rail Alignment into TTC, Transbay Transit Center Loop, Reconfiguration/relocation of 4th/King railyard, Boulevarding I-280, and Opportunities for Public Benefit

Option: a choice for solving a particular Component in the study. Each component attempts to solve at least one challenge in the area. There may be multiple options for each Component

Alternative: a combination of a group of options that may be studied under environmental review

Cut and Cover: a construction method in which you dig up the street, construct the tunnel and then replace the street over the construction. E.g., Market Street Bart/Muni Tunnel; DTX along Townsend as proposed

SEM: a mined tunneling method whereby the tunnel is excavated sequentially and supported throughout construction. support methods can be varied in the field to address the specific ground conditions being encountered. E.g., DTX along 2nd street as proposed

Tunnel Boring: Uses a machine to excavate tunnels through soil/rock underground with minimal impact to the Street surface. E.g., Central Subway

CHRSA: California high speed rail authority, the state agency established to develop and implement high-speed intercity rail service

DTX elements

Source: TJPA, 2016

CHANGES TO ORIGINAL DTX DESIGN (SEIS/R – Dec 2015) 1. Extended Train Box 2. Added Ventilation Structures & Proposed Locations 3. Added Intercity Bus Facility 4. Defined Alignment for Bart/MUNI Pedestrian Connector 5. Widened Throat Structure 6. Modified Fourth/Townsend Underground Station 7. Added Tunnel Stub for Future Grade Separation 8. Added Turn-back and Maintenance-of-Way (MOW) tracks

DTX Proposed Funding Plan

Source: TJPA, 2016

DTX Proposed Schedule

Source: TJPA, 2016 Note: Earliest construction – 2019; earliest opening 2026

Existing Grade-Separation Near West Oakland Bart Station at 7th Street

Source: CHSRA (2010), developed when HSR was to have it’s own tracks. That has changed and HSR will share the tracks with Caltrain.

Existing Grade-Separation at Cesar Chavez

Potential Grade-Separation of 16th Street

EXAMPLES OF GRADE-SEPARATED ROADS

Potential Grade-Separation of Mission Bay Drive

Source: CHSRA (2010), developed when HSR was to have it’s own tracks. That has changed and HSR will share the tracks with Caltrain.

Approx. Length of Potential Trenching

The Eastern Neighborhoods Transportation Implementation Planning Study (EN TRIPS) classifies 16th Street as a High Priority Corridor

TRANSPORTATION PLANNING IN THE AREA - CITY OF SAN FRANCISCO PLANNED 16TH STREET

Here’s a look at EN TRIPS with 22 Fillmore BRT lanes (proposed)

CHSRA SCHEMATIC of 4th/King (Interim Station)

Source: CHSRA, 2010

• Platforms 1 & 2 must be lengthened and widened for CHSRA use (purple) • Currently there are 6 platforms (all used by Caltrain) each serving 2 tracks –total 12 tracks; widened platforms result

in loss of one and a half platforms for Caltrain use (number of tracks go from 12 to 11 but only 5 will be used by Caltrain). • Likely re-track most of yard

Schematic View of street cross section

STUDY QUESTIONS How do we get High Speed Rail and Caltrain to Transbay transit center?

How do we provide reliable travel times for all modes?

How do we provide better access to public amenities (e.g., UCSF, Medical Center, parks, etc.)?

Are we ok with trenching streets (16th and Mission Bay Drive)?

Is there an opportunity to improve additional infrastructure (e.g., 22nd Street Station, re-connecting the

street grid, etc.)?

Should we continue to have a rail storage yard within the downtown core?

What opportunities are there for housing, open space, and employment in freed areas?

Could a boulevarded 280 from Mariposa north benefit the neighborhoods?

How is traffic tO/from I-280 best managed?

What are the Tradeoffs?