To Do - Boston-Cambridge-Quincy, MA

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If you would like to help out in mapping this region, contact me to coordinate our efforts.

Freeways

Section Area Manager Assigned Started Progress Comment
I- 90
E Boston/Logan to I-93 harling TBD n/a ... ...
I-93 to I-95 harling TBD n/a ... ...
I-95 to I-495 mhennessy TBD n/a ... ...
I- 93
I-95 to Route 3 mhennessy TBD n/a ... ...
Route 3 to I-90 mhennessy TBD n/a ... ...
Central Artery/Big Dig harling harling 11/15/2010 50% Taking a short break from 4D visualization...
Zakim Bridge to I-95 harling TBD n/a ... ...
I-95 to NH harling TBD n/a ... ...
I- 95
RI to I-495 mhennessy TBD n/a ... ...
I-495 to 128 mhennessy TBD n/a ... ...
128 to I-90 mhennessy TBD n/a ... ...
I-90 to 128 split harling rtwolfe 04/15/10 ... ...
128 split to NH harling TBD n/a ... ...


I- 190 (map) mhennessy TBD n/a ... ...
I- 195 (map) mhennessy TBD n/a ... ...
I- 290 (map) mhennessy TBD n/a ... ...
I- 495
I-195 to I-95 mhennessy TBD n/a ... ...
I-95 to I-90 mhennessy TBD n/a ... ...
I-90 to Route 3 mhennessy TBD n/a ... ...


Route 3 to I-95 harling TBD n/a ... ...


Major Highways

Major Highway Name Responsible Area Manager Date Started Status Comment
US Hwy 1
Zakim Bridge to Tobin Bridge (mainly ramps) TBD 04/15/10 Unassigned ...
Tobin Bridge to I-95 TBD 04/15/10 Unassigned ...
US Hwy 3
start (Sagamore Bridge?) to I-93 (South Shore Plaza) TBD 04/15/10 Unassigned ...
I-95 to I-495 TBD 04/15/10 Unassigned ...
I-495 to NH TBD 04/15/10 Unassigned ...
US Hwy 128
I-95 split to end (Gloucester) harling 11/15/10 Done ...

Minor Highways

MA Highway Name Responsible Area Manager Date Started Status Comment
MA- 5 OscarC 04/15/10 Assigned Completed from MSP to Hwy 120 (Century Ave)
MA- 100 rtwolfe 04/15/10 Assigned Close to Edina
MA- 146 TBD TBD Unassigned New construction
MA- 252 TBD 04/15/10 Unassigned ...
MA- 610 TBD 04/15/10 Unassigned ...

Miscellaneous

Major Intersection I- 94 Responsible Area Manager Date Started Status Comment
I- 94 Cty 23 TBD 00/00/10 Unassigned ...
I- 94 Cty 17 TBD 00/00/10 Unassigned ...


Map editing guidelines

(or: Let's Just Do This Once)

Interstates/Major/Minor Highways

  • eliminate unnecessary junctions: mid-segment, other than where the city changes, get rid of 'em.
  • confirm lane directionality (note: one-way roads do not have center dividers)
  • connectivity between highway segments
  • road type is correct
  • finalize geometry (remember to preserve Alt Names when changing geometry)
  • naming: preserve TIGER base map naming as requested by Waze (common name, followed by US/State Hwy numbers and other aliases)

Ramps

  • eliminate unnecessary junctions
  • geometry matches aerials
  • directions correct (note: one-way roads do not have center dividers)
  • road type set to "ramps"
  • street names should match existing signage; e.g.:
    • "Exit 20: Boston / Brighton / Cambridge"
    • "to I-90 W / Worcester"
  • when a ramp segment has no sign of its own (e.g., after two ramps merge), borrow from the names of the "upstream" ramps, which should be similar if not identical
  • check & correct all connectivity among ramps & roads--critical for proper routing

Helpful tip: if a ramp (or any other type of road) segment has no name, the client will display the next non-empty name in line. For example, suppose you have a two-way ramp segment. You can't name it as either an on- and off-ramp, because traffic (and navigation) will be using it for both. The solution is to leave the name blank, which will cause the names of adjoining segments to be displayed.

Over/underpasses

A simple road-level policy makes it easy to keep track of which road segments are involved in over/underpasses--an important thing to keep track of when a stretch of highway extends well beyond the current screen.

  • Road level "0" is used only on road segments that have no over/underpasses. If a road segment has level "0", you know immediately that it does not cross over or under any other roads. Conversely, if a road segment has a non-zero level, you know that you will need to take a closer look at the map if you need to adjust levels (see below).
  • When you reach an over/underpass, if both roads have level "0", give the upper road level "1" and the lower road level "-1". If one of the roads already has a non-zero level (i.e., it is already part of an over/underpass), leave that value alone and assign the other road a level accordingly.
  • If both roads are already non-zero, and they are not in the correct order, you will have to add a junction to one of the roads to allow it to change levels between its previous over/underpass and the current one.
  • If for some reason you decide to change a road's level, be sure to check the entire length of that segment to ensure that its new level will not cause problems at other over/underpasses.


Wiki editing info can be found here. Sounds scary but it's easy Just watch this short video.