Special Projects in district 4
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Transportation planning
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System Planning Links
- Office of System & Freight Plannning:
System Planning Branch - Geographic Information System
- Interregional Transportation Strategic Plan
- Ramp Meter Development Plan (RMDP)
- Relinquishment
- California Corridor Mobility
mpo & rtpa links for district 4*
*Includes Congestion Management Agencies (CMAs) and Sales Tax Authorities (STAs)
- Metropolitan Transportation Commission, MPO/RTPA
- Alameda County Local Transportation Commission, CMA
- Contra Costa Transportation Authority, CMA
- Transportation Authority of Marin, STA
- Napa County Transportation Planning Agency, CMA
- San Francisco County Transportation Authority, CMA
- San Mateo County Association of Governments, MPO/RTPA/CMA
- Santa Clara Valley Transportation Authority, STA
- Solano Transportation Authority, CMA
- Sonoma County Transportation Authority, CMA

System Planning DocumentsSystem planning documents can be accessed two ways: |
available Corridor System Managment Plans (CSMP)
| I-580 | I-880 | I-80 East | I-80 West | SR 12 |
| SR 4 | SR 24 | US-101 North | US-101 South |
available Corridor Plans (CP)
Corridor Plans define long-range corridor concept and provide guidance about improvements needed for future demands on the State Highway System. They are being developed for many State Routes in the district.
| SR 152 | SR 238 |
| SR 242 | I-505 |
Available Transportation concept reports (TCR)
Transportation Concept Reports provide a long-term (20 years or more) plan for the route. A TCR identifies current operating conditions, future deficiencies, a target lovel of service (LOS) for each segment in that route, and improvements needed to sustain or reach those targets.
| SR 25 | SR 61 | SR 77 | SR 113 |
| SR 128 |
SR 160 | SR 185 | SR 237 |
| SR 260 | SR 262 | I-780 |
available Transportation Corridor Concept Reports (TCCR)
Transportation Corridor Concept Reports provide a specific "highway operation concept configuration" for the year 2025. They were prepared in 2002/2003 for 24 major State route corridors. These documents are for discussion and information only.
| SR 1 | SR 4 | SR17 / I-880 |
SR 24 | SR 29 |
| SR 37 | SR 84 | SR 87 | SR 92 | SR 101 |
| SR 152 | SR 237 | I-80 | I-80 (Bay Bridge) | I-280 |
| I-580 East | I-580 West | I-680 North | I-680 South | I-880 North |
| I-880 South |
available Route Concept Reports (RCR)
Route Concept Reports define the 20-year concept for route development from 1985-2005. They were prepared between 1984 and 1989 for all 56 State routes in the district at the time. These documents are used for historical information purposes.
Transportation System Development Plan (TSDP)
| D4 TSDP (Dec 2011) |
District System Management Plan (DSMP)
| Begins Development in 2012 |
