US 1:
1. ConAve should be ConAve_E. (and moved to 6th St NW at Constitution Ave) (also affects US 50)
Unless I'm missing something in the manual, this point could go with or without the _E since the western point has a route number label. If it's in use (I haven't checked), might as well leave it as-is.
On a side note,
both of the points along Constitution Ave are horribly off-center. And the western US 1/US 50 concurrency point should technically be moved to between 14th and 15th as southbound US 1 uses 15th (there are no left turns allowed from WB Constitution to SB 14th). We have precedent for this in DC in how US 29 handles a similar situation at 7th & Rhode Island NW.
2. Add point at South Dakota Ave (SouDakAve).
I see no problem with this.
US 1 ALT:
1. BreRd should be BrePkwy.
If we *REALLY* wanted to be technical, the point should be relocated to the connector road intersection and relabeled for Mt. Olivet Rd, which is what the connector (which itself is considered a ramp per DDOT) directly connects to. IIRC, the DC US routes were drafted before the direct ramps between US 50 and 9th St were removed (as part of the 9th St Bridge replacement). My memory's not 100% but I also want to say that Brentwood Pkwy was known as Brentwood Rd before that bridge project reconfigured things.
2. Add points at Capitol St NW (CapSt) and South Dakota Ave (SouDakAve).
Part of me wants to say that a point at Florida Ave NE would be more important than a point at North Capitol...which if included should be labeled NorCapSt as the "North" part is actually part of the name, to differentiate it from East Capitol St and South Capitol St.
US 50:
1. Add points at 23rd St NW (23rdSt) for Memorial Bridge, 17th St NW (17thSt), Capitol St NW (CapSt), and 36th Pl NE (36thPl).
Agree with 23rd and 17th. North Capitol is covered under my above comments.