diff --git a/TASKS.md b/TASKS.md
index dc85d44..47741d8 100644
--- a/TASKS.md
+++ b/TASKS.md
@@ -366,3 +366,4 @@ Per-component lines live in `tasks/`. Tags there:
 | T31a | 1 | PASS | |
 | T31b | 1 | FAIL | a focused card past the board's fold stayed out of view; left and right steps that keep a card's place went untested |
 | T31b | 2 | PASS | |
+| T31c | 1 | FAIL | a roadmap bar's end and the workload bar's cap went untested |
diff --git a/src/project/tests/boards.rs b/src/project/tests/boards.rs
index 5bd9d70..c37fc2f 100644
--- a/src/project/tests/boards.rs
+++ b/src/project/tests/boards.rs
@@ -223,4 +223,9 @@ fn a_roadmap_draws_only_what_falls_in_its_months(cx: &mut TestAppContext) {
         (share - 30.0 / 61.0).abs() < 0.01,
         "October starts 30 of 61 days in: {share}"
     );
+    let end = (half.right() - map.left()) / map.size.width;
+    assert!(
+        (end - 1.0).abs() < 0.01,
+        "October runs through its last day: {end}"
+    );
 }
diff --git a/src/project/workload.rs b/src/project/workload.rs
index cd414bc..4b1385c 100644
--- a/src/project/workload.rs
+++ b/src/project/workload.rs
@@ -41,6 +41,11 @@ impl Load {
     pub fn over(&self) -> bool {
         self.assigned > self.capacity
     }
+
+    /// The share of the track the bar fills, whole at capacity and past it.
+    pub(crate) fn filled(&self) -> f32 {
+        (self.assigned / self.capacity).min(1.0)
+    }
 }
 
 /// Who carries how much: each person with a bar of their work against what they can take, red past it, and the two counts.
@@ -84,7 +89,7 @@ impl RenderOnce for WorkloadView {
             } else {
                 colors.hue(0, "workload")
             };
-            let share = (load.assigned / load.capacity).min(1.0);
+            let share = load.filled();
             let count = format!("{:.0} / {:.0} {}", load.assigned, load.capacity, self.unit);
             let key = load.person.key.clone();
             div()
@@ -150,3 +155,17 @@ impl RenderOnce for WorkloadView {
             .children(rows.collect::<Vec<_>>())
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::Load;
+    use crate::project::Person;
+
+    #[test]
+    fn a_bar_fills_its_share_and_stops_at_capacity() {
+        let ana = Person::new("ana", "Ana Lima");
+        assert_eq!(Load::new(ana.clone(), 190.0, 168.0).filled(), 1.0);
+        assert_eq!(Load::new(ana.clone(), 7.0, 10.0).filled(), 0.7);
+        assert!(Load::new(ana, 11.0, 10.0).over());
+    }
+}